[JonBMN]

still getting .sort is not a function...

function sortingTime(objArray, key) {
	for (var i = 0; i < objArray.length; i++) {
		objArray = parseFloat(objArray[i]);
		objArray.sort(function (key) {
			this.sort( function(a, b) { return a[key] - b[key] } );
			return this;
		});
	}
}