How to get Query String from URL in Javascript

function getQueryStringFromURL(key) { var queryString = window.location.search; var subQrString = queryString.substring(1); var arrQueryString = new Array(); var arr = subQrString.split(‘&’); var index = -1; for (var i=0;i<arr.length;i++) { index = arr[i].indexOf(‘=’); if (key == arr[i].substring(0, index).toUpperCase()) { return arr[i].substring(index + 1); } } return null; } Advertisements

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