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Update index.md, hashmap.md

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krahets
2023-02-13 16:29:31 +08:00
parent 66d0fdae30
commit 4b49373385
2 changed files with 15 additions and 11 deletions
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19
docs/chapter_hashing/hash_map.md
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@@ -311,18 +311,17 @@ comments: true
```javascript title="hash_map.js"
/* 遍历哈希表 */
// 遍历键值对 key->value
for (const entry of map.entries()) {
if (!entry) continue;
console.info(entry.key + ' -> ' + entry.val);
console.info('\n遍历键值对 Key->Value');
for (const [k, v] of map.entries()) {
console.info(k + ' -> ' + v);
}
// 单独遍历键 key
for (const key of map.keys()) {
console.info(key);
console.info('\n单独遍历键 Key');
for (const k of map.keys()) {
console.info(k);
}
// 单独遍历值 value
for (const val of map.values()) {
console.info(val);
console.info('\n单独遍历值 Value');
for (const v of map.values()) {
console.info(v);
}
```