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Case-sensitive 'contains'

/ Published in: JavaScript
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A simple Javascript function to determine if one string contains another.

Usage:

if (myString.contains("anything") {
do something…
}

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Copy this code and paste it in your HTML 
  1. if (typeof String.prototype.contains != 'function') {
  2.     String.prototype.contains = function(str) {
  3.         return this.indexOf(str) >= 0;
  4.     };
  5. }

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