Demo :: Manage array with JavaScript

array_sort.html

<script>

var arr = [];

function onAdd() {
	arr.push({
	    key: Math.floor((Math.random() * 100) + 1),
	    cutomerCode: 1234,
	    clientCode: 2344
	});
	onShowData();
}

function onShowData() {
	console.clear();
	for(var i=0; i<arr.length; i++) {
		console.log(arr[i].key + "=>" + arr[i].cutomerCode);
	}
}

function onSortData() {
	arr.sort(
		function(a,b) {
    		if (a.key==b.key) return 0;
    		if (a.key<b.key) return -1;
    		return 1;
    	}
	);
	onShowData();
}

function onClearData() {
	arr = [];
	onShowData();
}

</script>

<button onClick="onAdd()">Add Data</button>
<button onClick="onSortData()">Sort Data</button>
<button onClick="onClearData()">Clear Data</button>