Fixed != to !== and ran npm run style

Conversions/MeterToFeetConversion.js

@@ -1,10 +1,10 @@
 // Foot: https://en.wikipedia.org/wiki/Foot_(unit)
 const feetToMeter = (feet) => {
-  return feet*0.3048;
+  return feet * 0.3048
 }
 
 const meterToFeet = (meter) => {
-  return meter/0.3048;
+  return meter / 0.3048
 }
 
 export { feetToMeter, meterToFeet }

Conversions/test/MeterToFeetConversion.test.js

@@ -1,4 +1,4 @@
-import { meterToFeet, feetToMeter } from "../MeterToFeetConversion";
+import { meterToFeet, feetToMeter } from '../MeterToFeetConversion'
 
 describe('Testing conversion of Meter to Feet', () => {
   it('with feet value', () => {

Maths/ExtendedEuclideanGCD.js

@@ -39,7 +39,7 @@ const extendedEuclideanGCD = (arg1, arg2) => {
   let t0 = 0
   let t1 = 1
 
-  while (r1 != 0) {
+  while (r1 !== 0) {
     const q = Math.floor(r0 / r1)
 
     const r2 = r0 - r1 * q

Maths/FigurateNumber.js

@@ -4,7 +4,6 @@
  Tetrahedral => https://en.wikipedia.org/wiki/Tetrahedral_number
  Pentatope   => https://en.wikipedia.org/wiki/Pentatope_number
 
-
  Example:
  Triangular  => (0, 1, 3, 6, 10, 15, 21, 28, 36, 45)
  Tetrahedral => (1, 4, 10, 20, 35, 56, 84, 120, 165,)
@@ -63,7 +62,7 @@ const isPentatope = (number) => {
  * @param {*} number
  * @returns
  */
-let checkAll = (number) => {
+const checkAll = (number) => {
   return {
     isTriangular: isTriangular(number),
     isTetrahedral: isTetrahedral(number),

Maths/test/FigurateNumber.test.js

@@ -54,7 +54,7 @@ describe('FigurateNumber', () => {
   })
   /** End */
 
-  it('Check All : should return all true',() => {
+  it('Check All : should return all true', () => {
     expect(checkAll(1)).toEqual({
       isTriangular: true,
       isTetrahedral: true,
@@ -62,7 +62,7 @@ describe('FigurateNumber', () => {
     })
   })
 
-  it('Check All : should return all true,true,false',() => {
+  it('Check All : should return all true,true,false', () => {
     expect(checkAll(15)).toEqual({
       isTriangular: true,
       isTetrahedral: false,