diff --git a/packages/core/src/components.d.ts b/packages/core/src/components.d.ts
index 62c84ed460..7caf6a672b 100644
--- a/packages/core/src/components.d.ts
+++ b/packages/core/src/components.d.ts
@@ -780,24 +780,24 @@ declare global {
   namespace JSXElements {
     export interface IonDatetimeAttributes extends HTMLAttributes {
       cancelText?: string;
-      dayNames?: any;
-      dayShortNames?: any;
-      dayValues?: any;
+      dayNames?: string[] | string;
+      dayShortNames?: string[] | string;
+      dayValues?: number[] | number | string;
       disabled?: boolean;
       displayFormat?: string;
       doneText?: string;
-      hourValues?: any;
+      hourValues?: number[] | number | string;
       max?: string;
       min?: string;
-      minuteValues?: any;
-      monthNames?: any;
-      monthShortNames?: any;
-      monthValues?: any;
+      minuteValues?: number[] | number | string;
+      monthNames?: string[] | string;
+      monthShortNames?: string[] | string;
+      monthValues?: number[] | number | string;
       pickerFormat?: string;
       pickerOptions?: PickerOptions;
       placeholder?: string;
       value?: string;
-      yearValues?: any;
+      yearValues?: number[] | number | string;
     }
   }
 }
diff --git a/packages/core/src/components/datetime/datetime-util.ts b/packages/core/src/components/datetime/datetime-util.ts
index c01bc82c1b..136c2a5e8c 100644
--- a/packages/core/src/components/datetime/datetime-util.ts
+++ b/packages/core/src/components/datetime/datetime-util.ts
@@ -394,7 +394,7 @@ export function convertDataToISO(data: DatetimeData): string {
  * Use to convert a string of comma separated strings or
  * an array of strings, and clean up any user input
  */
-export function convertToArrayOfStrings(input: any, type: string): string[] {
+export function convertToArrayOfStrings(input: string | string[] | undefined | null, type: string): string[] {
   if (!input) {
     return null;
   }
@@ -408,7 +408,7 @@ export function convertToArrayOfStrings(input: any, type: string): string[] {
   let values: string[];
   if (isArray(input)) {
     // trim up each string value
-    values = input.map((val: string) => val.trim());
+    values = input.map(val => val.toString().trim());
   }
 
   if (!values || !values.length) {
@@ -423,7 +423,7 @@ export function convertToArrayOfStrings(input: any, type: string): string[] {
  * Use to convert a string of comma separated numbers or
  * an array of numbers, and clean up any user input
  */
-export function convertToArrayOfNumbers(input: any, type: string): number[] {
+export function convertToArrayOfNumbers(input: any[] | string | number, type: string): number[] {
   if (isString(input)) {
     // convert the string to an array of strings
     // auto remove any whitespace and [] characters
@@ -436,6 +436,8 @@ export function convertToArrayOfNumbers(input: any, type: string): number[] {
     values = input
       .map((num: any) => parseInt(num, 10))
       .filter(isFinite);
+  } else {
+    values = [input];
   }
 
   if (!values || !values.length) {
diff --git a/packages/core/src/components/datetime/datetime.tsx b/packages/core/src/components/datetime/datetime.tsx
index 361473c2dc..d85bda4188 100644
--- a/packages/core/src/components/datetime/datetime.tsx
+++ b/packages/core/src/components/datetime/datetime.tsx
@@ -104,72 +104,72 @@ export class Datetime {
   /**
    * Values used to create the list of selectable years. By default
    * the year values range between the `min` and `max` datetime inputs. However, to
-   * control exactly which years to display, the `yearValues` input can take either an array
+   * control exactly which years to display, the `yearValues` input can take a number, an array
    * of numbers, or string of comma separated numbers. For example, to show upcoming and
    * recent leap years, then this input's value would be `yearValues="2024,2020,2016,2012,2008"`.
    */
-  @Prop() yearValues: any;
+  @Prop() yearValues: number[] | number | string;
 
   /**
    * Values used to create the list of selectable months. By default
    * the month values range from `1` to `12`. However, to control exactly which months to
-   * display, the `monthValues` input can take either an array of numbers, or string of
+   * display, the `monthValues` input can take a number, an array of numbers, or a string of
    * comma separated numbers. For example, if only summer months should be shown, then this
    * input value would be `monthValues="6,7,8"`. Note that month numbers do *not* have a
    * zero-based index, meaning January's value is `1`, and December's is `12`.
    */
-  @Prop() monthValues: any;
+  @Prop() monthValues: number[] | number | string;
 
   /**
    * Values used to create the list of selectable days. By default
    * every day is shown for the given month. However, to control exactly which days of
-   * the month to display, the `dayValues` input can take either an array of numbers, or
-   * string of comma separated numbers. Note that even if the array days have an invalid
+   * the month to display, the `dayValues` input can take a number, an array of numbers, or
+   * a string of comma separated numbers. Note that even if the array days have an invalid
    * number for the selected month, like `31` in February, it will correctly not show
    * days which are not valid for the selected month.
    */
-  @Prop() dayValues: any;
+  @Prop() dayValues: number[] | number | string;
 
   /**
    * Values used to create the list of selectable hours. By default
    * the hour values range from `0` to `23` for 24-hour, or `1` to `12` for 12-hour. However,
-   * to control exactly which hours to display, the `hourValues` input can take either an
-   * array of numbers, or string of comma separated numbers.
+   * to control exactly which hours to display, the `hourValues` input can take a number, an
+   * array of numbers, or a string of comma separated numbers.
    */
-  @Prop() hourValues: any;
+  @Prop() hourValues: number[] | number | string;
 
   /**
    * Values used to create the list of selectable minutes. By default
    * the mintues range from `0` to `59`. However, to control exactly which minutes to display,
-   * the `minuteValues` input can take either an array of numbers, or string of comma separated
-   * numbers. For example, if the minute selections should only be every 15 minutes, then
-   * this input value would be `minuteValues="0,15,30,45"`.
+   * the `minuteValues` input can take a number, an array of numbers, or a string of comma
+   * separated numbers. For example, if the minute selections should only be every 15 minutes,
+   * then this input value would be `minuteValues="0,15,30,45"`.
    */
-  @Prop() minuteValues: any;
+  @Prop() minuteValues: number[] | number | string;
 
   /**
    * Full names for each month name. This can be used to provide
    * locale month names. Defaults to English.
    */
-  @Prop() monthNames: any;
+  @Prop() monthNames: string[] | string;
 
   /**
    * Short abbreviated names for each month name. This can be used to provide
    * locale month names. Defaults to English.
    */
-  @Prop() monthShortNames: any;
+  @Prop() monthShortNames: string[] | string;
 
   /**
    * Full day of the week names. This can be used to provide
    * locale names for each day in the week. Defaults to English.
    */
-  @Prop() dayNames: any;
+  @Prop() dayNames: string[] | string;
 
   /**
    * Short abbreviated day of the week names. This can be used to provide
    * locale names for each day in the week. Defaults to English.
    */
-  @Prop() dayShortNames: any;
+  @Prop() dayShortNames: string[] | string;
 
   /**
    * Any additional options that the picker interface can accept.
diff --git a/packages/core/src/components/datetime/readme.md b/packages/core/src/components/datetime/readme.md
index 8b560ab743..b99249c6ac 100644
--- a/packages/core/src/components/datetime/readme.md
+++ b/packages/core/src/components/datetime/readme.md
@@ -224,7 +224,7 @@ The text to display on the picker's cancel button. Default: `Cancel`.
 
 #### dayNames
 
-any
+
 
 Full day of the week names. This can be used to provide
 locale names for each day in the week. Defaults to English.
@@ -232,7 +232,7 @@ locale names for each day in the week. Defaults to English.
 
 #### dayShortNames
 
-any
+
 
 Short abbreviated day of the week names. This can be used to provide
 locale names for each day in the week. Defaults to English.
@@ -240,12 +240,12 @@ locale names for each day in the week. Defaults to English.
 
 #### dayValues
 
-any
+
 
 Values used to create the list of selectable days. By default
 every day is shown for the given month. However, to control exactly which days of
-the month to display, the `dayValues` input can take either an array of numbers, or
-string of comma separated numbers. Note that even if the array days have an invalid
+the month to display, the `dayValues` input can take a number, an array of numbers, or
+a string of comma separated numbers. Note that even if the array days have an invalid
 number for the selected month, like `31` in February, it will correctly not show
 days which are not valid for the selected month.
 
@@ -277,12 +277,12 @@ The text to display on the picker's "Done" button. Default: `Done`.
 
 #### hourValues
 
-any
+
 
 Values used to create the list of selectable hours. By default
 the hour values range from `0` to `23` for 24-hour, or `1` to `12` for 12-hour. However,
-to control exactly which hours to display, the `hourValues` input can take either an
-array of numbers, or string of comma separated numbers.
+to control exactly which hours to display, the `hourValues` input can take a number, an
+array of numbers, or a string of comma separated numbers.
 
 
 #### max
@@ -311,18 +311,18 @@ Defaults to the beginning of the year, 100 years ago from today.
 
 #### minuteValues
 
-any
+
 
 Values used to create the list of selectable minutes. By default
 the mintues range from `0` to `59`. However, to control exactly which minutes to display,
-the `minuteValues` input can take either an array of numbers, or string of comma separated
-numbers. For example, if the minute selections should only be every 15 minutes, then
-this input value would be `minuteValues="0,15,30,45"`.
+the `minuteValues` input can take a number, an array of numbers, or a string of comma
+separated numbers. For example, if the minute selections should only be every 15 minutes,
+then this input value would be `minuteValues="0,15,30,45"`.
 
 
 #### monthNames
 
-any
+
 
 Full names for each month name. This can be used to provide
 locale month names. Defaults to English.
@@ -330,7 +330,7 @@ locale month names. Defaults to English.
 
 #### monthShortNames
 
-any
+
 
 Short abbreviated names for each month name. This can be used to provide
 locale month names. Defaults to English.
@@ -338,11 +338,11 @@ locale month names. Defaults to English.
 
 #### monthValues
 
-any
+
 
 Values used to create the list of selectable months. By default
 the month values range from `1` to `12`. However, to control exactly which months to
-display, the `monthValues` input can take either an array of numbers, or string of
+display, the `monthValues` input can take a number, an array of numbers, or a string of
 comma separated numbers. For example, if only summer months should be shown, then this
 input value would be `monthValues="6,7,8"`. Note that month numbers do *not* have a
 zero-based index, meaning January's value is `1`, and December's is `12`.
@@ -385,11 +385,11 @@ the value of the datetime.
 
 #### yearValues
 
-any
+
 
 Values used to create the list of selectable years. By default
 the year values range between the `min` and `max` datetime inputs. However, to
-control exactly which years to display, the `yearValues` input can take either an array
+control exactly which years to display, the `yearValues` input can take a number, an array
 of numbers, or string of comma separated numbers. For example, to show upcoming and
 recent leap years, then this input's value would be `yearValues="2024,2020,2016,2012,2008"`.
 
@@ -405,7 +405,7 @@ The text to display on the picker's cancel button. Default: `Cancel`.
 
 #### day-names
 
-any
+
 
 Full day of the week names. This can be used to provide
 locale names for each day in the week. Defaults to English.
@@ -413,7 +413,7 @@ locale names for each day in the week. Defaults to English.
 
 #### day-short-names
 
-any
+
 
 Short abbreviated day of the week names. This can be used to provide
 locale names for each day in the week. Defaults to English.
@@ -421,12 +421,12 @@ locale names for each day in the week. Defaults to English.
 
 #### day-values
 
-any
+
 
 Values used to create the list of selectable days. By default
 every day is shown for the given month. However, to control exactly which days of
-the month to display, the `dayValues` input can take either an array of numbers, or
-string of comma separated numbers. Note that even if the array days have an invalid
+the month to display, the `dayValues` input can take a number, an array of numbers, or
+a string of comma separated numbers. Note that even if the array days have an invalid
 number for the selected month, like `31` in February, it will correctly not show
 days which are not valid for the selected month.
 
@@ -458,12 +458,12 @@ The text to display on the picker's "Done" button. Default: `Done`.
 
 #### hour-values
 
-any
+
 
 Values used to create the list of selectable hours. By default
 the hour values range from `0` to `23` for 24-hour, or `1` to `12` for 12-hour. However,
-to control exactly which hours to display, the `hourValues` input can take either an
-array of numbers, or string of comma separated numbers.
+to control exactly which hours to display, the `hourValues` input can take a number, an
+array of numbers, or a string of comma separated numbers.
 
 
 #### max
@@ -492,18 +492,18 @@ Defaults to the beginning of the year, 100 years ago from today.
 
 #### minute-values
 
-any
+
 
 Values used to create the list of selectable minutes. By default
 the mintues range from `0` to `59`. However, to control exactly which minutes to display,
-the `minuteValues` input can take either an array of numbers, or string of comma separated
-numbers. For example, if the minute selections should only be every 15 minutes, then
-this input value would be `minuteValues="0,15,30,45"`.
+the `minuteValues` input can take a number, an array of numbers, or a string of comma
+separated numbers. For example, if the minute selections should only be every 15 minutes,
+then this input value would be `minuteValues="0,15,30,45"`.
 
 
 #### month-names
 
-any
+
 
 Full names for each month name. This can be used to provide
 locale month names. Defaults to English.
@@ -511,7 +511,7 @@ locale month names. Defaults to English.
 
 #### month-short-names
 
-any
+
 
 Short abbreviated names for each month name. This can be used to provide
 locale month names. Defaults to English.
@@ -519,11 +519,11 @@ locale month names. Defaults to English.
 
 #### month-values
 
-any
+
 
 Values used to create the list of selectable months. By default
 the month values range from `1` to `12`. However, to control exactly which months to
-display, the `monthValues` input can take either an array of numbers, or string of
+display, the `monthValues` input can take a number, an array of numbers, or a string of
 comma separated numbers. For example, if only summer months should be shown, then this
 input value would be `monthValues="6,7,8"`. Note that month numbers do *not* have a
 zero-based index, meaning January's value is `1`, and December's is `12`.
@@ -566,11 +566,11 @@ the value of the datetime.
 
 #### year-values
 
-any
+
 
 Values used to create the list of selectable years. By default
 the year values range between the `min` and `max` datetime inputs. However, to
-control exactly which years to display, the `yearValues` input can take either an array
+control exactly which years to display, the `yearValues` input can take a number, an array
 of numbers, or string of comma separated numbers. For example, to show upcoming and
 recent leap years, then this input's value would be `yearValues="2024,2020,2016,2012,2008"`.
 
diff --git a/packages/core/src/components/fab/fab.tsx b/packages/core/src/components/fab/fab.tsx
index ed3956e700..bd48717fbd 100644
--- a/packages/core/src/components/fab/fab.tsx
+++ b/packages/core/src/components/fab/fab.tsx
@@ -23,7 +23,7 @@ export class Fab {
   }
 
   render() {
-    const fab: any = this.el.querySelector('ion-fab-button');
+    const fab = this.el.querySelector('ion-fab-button');
     fab.toggleActive = this.toggleActive;
     fab.activated = this.activated;
 
diff --git a/packages/core/src/components/input/input-base.tsx b/packages/core/src/components/input/input-base.tsx
index 797b10213f..46ca3c2355 100644
--- a/packages/core/src/components/input/input-base.tsx
+++ b/packages/core/src/components/input/input-base.tsx
@@ -26,10 +26,10 @@ export interface InputBaseComponent {
   value: string;
 
   // Shared Methods
-  inputBlurred: (ev: any) => void;
-  inputChanged: (ev: any) => void;
-  inputFocused: (ev: any) => void;
-  inputKeydown: (ev: any) => void;
+  inputBlurred: (ev: Event) => void;
+  inputChanged: (ev: Event) => void;
+  inputFocused: (ev: Event) => void;
+  inputKeydown: (ev: Event) => void;
 }
 
 export interface InputComponent extends InputBaseComponent {
diff --git a/packages/core/src/components/input/input.tsx b/packages/core/src/components/input/input.tsx
index e3eb5f8bcd..055a8f6b94 100644
--- a/packages/core/src/components/input/input.tsx
+++ b/packages/core/src/components/input/input.tsx
@@ -236,20 +236,20 @@ export class Input implements InputComponent {
     });
   }
 
-  inputBlurred(ev: any) {
+  inputBlurred(ev: Event) {
     this.ionBlur.emit(ev);
 
     this.focusChange(this.hasFocus());
     this.emitStyle();
   }
 
-  inputChanged(ev: any) {
-    this.value = ev.target && ev.target.value;
+  inputChanged(ev: Event) {
+    this.value = ev.target && (ev.target as HTMLInputElement).value;
     this.ionInput.emit(ev);
     this.emitStyle();
   }
 
-  inputFocused(ev: any) {
+  inputFocused(ev: Event) {
     this.ionFocus.emit(ev);
 
     this.focusChange(this.hasFocus());
@@ -263,15 +263,14 @@ export class Input implements InputComponent {
     }
   }
 
-  inputKeydown(ev: any) {
+  inputKeydown(ev: Event) {
     this.checkClearOnEdit(ev);
   }
 
-
   /**
    * Check if we need to clear the text input if clearOnEdit is enabled
    */
-  checkClearOnEdit(ev: any) {
+  checkClearOnEdit(ev: Event) {
     if (!this.clearOnEdit) {
       return;
     }
@@ -286,7 +285,7 @@ export class Input implements InputComponent {
     this.didBlurAfterEdit = false;
   }
 
-  clearTextInput(ev: any) {
+  clearTextInput(ev: Event) {
     this.value = '';
     this.ionInput.emit(ev);
   }
@@ -313,6 +312,7 @@ export class Input implements InputComponent {
         autoCorrect={this.autocorrect}
         autoFocus={this.autofocus}
         checked={this.checked}
+        class={themedClasses}
         disabled={this.disabled}
         inputMode={this.inputmode}
         min={this.min}
@@ -331,7 +331,6 @@ export class Input implements InputComponent {
         size={this.size}
         type={this.type}
         value={this.value}
-        class={themedClasses}
         onBlur={this.inputBlurred.bind(this)}
         onInput={this.inputChanged.bind(this)}
         onFocus={this.inputFocused.bind(this)}
diff --git a/packages/core/src/components/item-option/item-option.tsx b/packages/core/src/components/item-option/item-option.tsx
index de382e3fa7..c6d58118bf 100644
--- a/packages/core/src/components/item-option/item-option.tsx
+++ b/packages/core/src/components/item-option/item-option.tsx
@@ -39,8 +39,8 @@ export class ItemOption {
     // }
   }
 
-  clickedOptionButton(ev: any): boolean {
-    const el = ev.target.closest('ion-item-option');
+  clickedOptionButton(ev: Event): boolean {
+    const el = (ev.target as HTMLElement).closest('ion-item-option');
     return !!el;
   }
 
diff --git a/packages/core/src/components/loading/loading.tsx b/packages/core/src/components/loading/loading.tsx
index 1b74bbcb8b..9212fefeea 100644
--- a/packages/core/src/components/loading/loading.tsx
+++ b/packages/core/src/components/loading/loading.tsx
@@ -242,7 +242,7 @@ export class Loading {
       });
     }
 
-    const loadingInner: any[] = [];
+    const loadingInner: JSX.Element[] = [];
 
     if (this.spinner !== 'hide') {
       loadingInner.push(
diff --git a/packages/core/src/components/picker-column/picker-column.tsx b/packages/core/src/components/picker-column/picker-column.tsx
index 6add85d825..539ce04ac1 100644
--- a/packages/core/src/components/picker-column/picker-column.tsx
+++ b/packages/core/src/components/picker-column/picker-column.tsx
@@ -416,7 +416,7 @@ export class PickerColumnCmp {
     })
     .filter(clientInformation => clientInformation !== null);
 
-    const results: any[] = [];
+    const results: JSX.Element[] = [];
 
     if (col.prefix) {
       results.push(
diff --git a/packages/core/src/components/range/range.tsx b/packages/core/src/components/range/range.tsx
index 143252f9a4..c3e8c72fab 100644
--- a/packages/core/src/components/range/range.tsx
+++ b/packages/core/src/components/range/range.tsx
@@ -2,6 +2,12 @@ import { Component, Element, Event, EventEmitter, Listen, Method, Prop, State, W
 import { BaseInputComponent, GestureDetail } from '../../index';
 import { clamp, debounce } from '../../utils/helpers';
 
+interface Tick {
+  ratio: number | (() => number);
+  left: string;
+  active?: boolean;
+}
+
 @Component({
   tag: 'ion-range',
   styleUrls: {
@@ -28,7 +34,7 @@ export class Range implements BaseInputComponent {
   @State() valB = 0;
   @State() ratioA = 0;
   @State() ratioB = 0;
-  @State() ticks: any[] = [];
+  @State() ticks: Tick[] = [];
   @State() activeB: boolean;
   @State() rect: ClientRect;
 
diff --git a/packages/core/src/components/tap-click/tap-click.tsx b/packages/core/src/components/tap-click/tap-click.tsx
index 3883018d6c..5d91b21392 100644
--- a/packages/core/src/components/tap-click/tap-click.tsx
+++ b/packages/core/src/components/tap-click/tap-click.tsx
@@ -40,7 +40,7 @@ export class TapClick {
   }
 
   @Listen('document:click', {passive: false, capture: true})
-  onBodyClick(ev: any) {
+  onBodyClick(ev: Event) {
     if (this.shouldCancel()) {
       ev.preventDefault();
       ev.stopPropagation();
diff --git a/packages/core/src/components/textarea/textarea.tsx b/packages/core/src/components/textarea/textarea.tsx
index ccb1d9f9c1..efdb650cca 100644
--- a/packages/core/src/components/textarea/textarea.tsx
+++ b/packages/core/src/components/textarea/textarea.tsx
@@ -179,39 +179,39 @@ export class Textarea implements TextareaComponent {
     });
   }
 
-  clearTextInput(ev: any) {
+  clearTextInput(ev: Event) {
     this.value = '';
     this.ionInput.emit(ev);
   }
 
-  inputBlurred(ev: any) {
+  inputBlurred(ev: Event) {
     this.ionBlur.emit(ev);
 
     this.focusChange(this.hasFocus());
     this.emitStyle();
   }
 
-  inputChanged(ev: any) {
-    this.value = ev.target && ev.target.value;
+  inputChanged(ev: Event) {
+    this.value = ev.target && (ev.target as HTMLInputElement).value;
     this.ionInput.emit(ev);
     this.emitStyle();
   }
 
-  inputFocused(ev: any) {
+  inputFocused(ev: Event) {
     this.ionFocus.emit(ev);
 
     this.focusChange(this.hasFocus());
     this.emitStyle();
   }
 
-  inputKeydown(ev: any) {
+  inputKeydown(ev: Event) {
     this.checkClearOnEdit(ev);
   }
 
   /**
    * Check if we need to clear the text input if clearOnEdit is enabled
    */
-  checkClearOnEdit(ev: any) {
+  checkClearOnEdit(ev: Event) {
     if (!this.clearOnEdit) {
       return;
     }