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= Javascript regular expression = | ## page was renamed from JavascriptRegularExpression = Javascript = |
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{{{ | {{{#!highlight javascript |
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== Delete property from object == {{{#!highlight javascript delete obj['propertyName']; }}} == Number of milliseconds since epoch == {{{#!highlight javascript var nrmillis = Date.now(); }}} == Foreach in array == https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/forEach {{{#!highlight javascript function logArrayElements(element, index, array) { console.log("a[" + index + "] = " + element); } [2, 5, 9].forEach(logArrayElements); // logs: // a[0] = 2 // a[1] = 5 // a[2] = 9 }}} |
Javascript
Create an regular expression object
Replace string 'aaa' by 'xyz'.
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1 var stringx = 'aaa bbb ccc';
2 var regexx = new RegExp('aaa','g');
3 stringx = stringx.replace( regexx , 'xyz' );
Delete property from object
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1 delete obj['propertyName'];
Number of milliseconds since epoch
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1 var nrmillis = Date.now();
Foreach in array
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/forEach