Js USES prototype to call Array's slice method example

 
<script type="text/javascript"> 
function fn(name){ 
if(typeof name === "string"){ 
var args = Array.prototype.slice.call( arguments, 1 ); 
for(var i=0;i<args.length;i++){ 
alert(args[i]);//Result: 111 222
} 
} 
} 
function callFn(){ 
fn("test",111,222); 
} 
callFn(); 
</script>