How to check if an array contains a value in Javascript

To check if an array contains a value in Javascript you can use the snippet below.

Sample Javascript

Array.prototype.inArray = function (inputValue) {
	var counter;
	for (counter=0; counter < this.length; counter++) {
		if (this[counter] === inputValue) {
			return true;
		}
	}
	return false;
};

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