10 examples of 'javascript foreach key value' in JavaScript

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29(function TestForEachNoValue() {
30 res = "c) ";
31 var myMap = new Map([['key1', ''], ['key2',], ['key3', undefined], ['key4', null]]);
32 myMap.forEach(logElement);
33
34 assertEquals("c) map[key1] = '' map[key2] = 'undefined' map[key3] = 'undefined' map[key4] = 'null' ", res);
35})();
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136export function forEach(key: ReferenceNode, collection: ReferenceNode, expressions: Expression[]): ForEachNode {
137 return {
138 kind: 'ForEach',
139 key,
140 collection,
141 expressions,
142 };
143}
59function forEach(key, collection, expressions) {
60 return {
61 kind: 'ForEach',
62 key: key,
63 collection: collection,
64 expressions: expressions
65 };
66}
144function collection_foreach(values, keys){
145 return {
146 value: function(fn, context){
147 values.forEach(function(value, i){
148 fn.call(this, value, keys[i]);
149 }, context);
150 }
151 };
152}
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}
68forEach: function forEach(callback) {
69 if (this.disabled) {
70 return;
71 }
72 for (var i = 0; i < this.storage.length; i++) {
73 var key = this.storage.key(i);
74 callback(key, this.get(key));
75 }
76}
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}
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}
1566forEach(action) {
1567 dart.as(action, dart.functionType(dart.void, [K, V]));
1568 let keys = this[_computeKeys]();
1569 for (let i = 0, length = keys[dartx.length]; i < dart.notNull(length); i++) {
1570 let key = keys[i];
1571 action(dart.as(key, K), this.get(key));
1572 if (keys !== this[_keys]) {
1573 dart.throw(new core.ConcurrentModificationError(this));
1574 }
1575 }
1576}
25function forEach(object, callback, context) {
26 var index, length;
27 if (object.length) {
28 if (Array.prototype.forEach) {
29 Array.prototype.forEach.call(object, callback, context);
30 } else {
31 for (index = 0, length = object.length; index < length; index += 1) {
32 callback.call(context || this, object[index], index, object);
33 }
34 }
35 } else {
36 for (index in object) {
37 if (object.hasOwnProperty(index)) {
38 callback.call(context || this, object[index], index, object);
39 }
40 }
41 }
42}

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