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Status / Monitoring - Pollyfill - Includes Method #74

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Status / Monitoring - Pollyfill - Includes Method
Polyfill for older browsers that yet don't have the newer "includes()" method implemented.
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NOYB committed Mar 8, 2016
commit fcdb54603326e46e4514640bb32288c53455bd5f
Original file line number Diff line number Diff line change
@@ -1152,6 +1152,30 @@ function calculate_summary(data) {

});
});

/***
**
** Polyfill for older browsers that don't yet have the newer "includes()" method implemented.
** Source: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/includes
** Documentation: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/includes
** Documentation: http://www.w3schools.com/jsref/jsref_includes.asp
**
***/

if (!String.prototype.includes) {
String.prototype.includes = function(search, start) {
'use strict';
if (typeof start !== 'number') {
start = 0;
}

if (start + search.length > this.length) {
return false;
} else {
return this.indexOf(search, start) !== -1;
}
};
}
});
//]]>
</script>