10 examples of 'object keys foreach' in JavaScript

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276export function objectForEach<V>(
277 obj: { [key: string]: V },
278 cb: (value: V, key: string) => void
279): void {
280 Object.keys(obj).forEach(key => cb(obj[key], key));
281}
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1026export function foreach<V>(obj: { [key: string]: V }, action: (key: string, value: V) => void) {
1027
1028 for (const name in obj) {
1029 if (obj.hasOwnProperty == null || obj.hasOwnProperty(name)) {
1030 action(name, obj[name]);
1031 }
1032 }
1033}
4export function forEach(obj, callback) {
5 if (obj) {
6 Object.keys(obj).forEach((key) => {
7 // eslint-disable-line no-restricted-syntax
8 if ({}.hasOwnProperty.call(obj, key)) {
9 callback(key, obj[key]);
10 }
11 });
12 }
13}
28function forEach(obj, fn) {
29 Object.keys(obj).forEach(function(name, index) {
30 fn(obj[name], name, index);
31 });
32}
34public forEach( cb : ( element : V, key : string, map : ObjectMap<V> ) => any, thisArg : any ) {
35 for( var i in this._map ) {
36 if( this._map.hasOwnProperty( i ) ) {
37 cb.call( thisArg, this._map[i], i, this );
38 }
39 }
40}
5function forEach(haystack, callback, scope) {
6 if (Object.prototype.toString.call(haystack) === '[object Object]') {
7 var keyHaystack = Object.keys(haystack);
8 for (var i = 0, len = keyHaystack.length; i < len; i += 1) {
9 if (Object.prototype.hasOwnProperty.call(keyHaystack, i)) {
10 callback.call(scope, haystack[keyHaystack[i]], keyHaystack[i], haystack);
11 }
12 }
13 }
14 else {
15 for (var i = 0, len = haystack.length; i < len; i += 1) {
16 callback.call(scope, haystack[i], i, haystack);
17 }
18 }
19}
57function forEach(o, fn) {
58 if (Array.isArray(o)) {
59 return o.forEach(fn);
60 }
61 else {
62 for (var key in o) {
63 if (o.hasOwnProperty(key)) {
64 fn(o[key], key)
65 }
66 }
67 }
68}
133forEach(callbackfn: (value: V, index: K, map: this) => void, thisArg?: any): void {
134 for (const property of Object.keys(this._keys)) {
135 callbackfn.call(thisArg, this._values[property], this._keys[property], this);
136 }
137}
23function forEachKey(object, transformers, propKeys, k) {
24 var v = object[k];
25
26 if (propKeys.hasOwnProperty(k)) {
27 object[k] = transformers.reduce(reducer, v);
28 return;
29 }
30 if (!(typeof v === 'object' && v !== null)) return;
31 iterate(v, transformers, propKeys);
32}
136export function forEach(key: ReferenceNode, collection: ReferenceNode, expressions: Expression[]): ForEachNode {
137 return {
138 kind: 'ForEach',
139 key,
140 collection,
141 expressions,
142 };
143}

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