5 examples of 'foreach key value javascript' in JavaScript

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function forEach(key, collection, expressions) {
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    return {
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        kind: 'ForEach',
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        key: key,
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        collection: collection,
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        expressions: expressions
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    };
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}

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export function forEach(key: ReferenceNode, collection: ReferenceNode, expressions: Expression[]): ForEachNode {
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  return {
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    kind: 'ForEach',
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    key,
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    collection,
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    expressions,
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  };
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}

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forEach: function forEach(callback) {
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  if (this.disabled) {
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    return;
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  }
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  for (var i = 0; i < this.storage.length; i++) {
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    var key = this.storage.key(i);
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    callback(key, this.get(key));
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  }
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}

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transform(value: any): any {
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    const keys = [];
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    const valueKeys = Object.keys(value);
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    for (const key of valueKeys) {
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        keys.push({ key, value: value[key] });
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    }
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    return keys;
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}

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(function TestForEachNoValue() {
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  res = "c) ";
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  var myMap = new Map([['key1', ''], ['key2',], ['key3', undefined], ['key4', null]]);
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  myMap.forEach(logElement);
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  assertEquals("c) map[key1] = '' map[key2] = 'undefined' map[key3] = 'undefined' map[key4] = 'null' ", res);
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})();