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How slow is the use of arguments
?
<script>
function a() {
return [arguments[0], arguments[1], arguments[2], arguments[3], arguments[4], arguments[5], arguments[6], arguments[7], arguments[8], arguments[9]];
}
function c(arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9) {
return [arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9];
}
function d(arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9) {
var arguments;
return [arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9];
}
function e(arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9, arguments) {
return [arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9];
}
function o(args) {
var arr = [];
for (var i=0, arr = [], total = args.length; i<total; i++)
{
arr.push(args[i]);
}
return arr;
}
</script>
Ready to run.
Test | Ops/sec | |
---|---|---|
arguments object, accessing individual args |
| ready |
Regular arguments |
| ready |
Regular arguments (var arguments) |
| ready |
Regular arguments (arguments in args) |
| ready |
Object arguments |
| ready |
You can edit these tests or add more tests to this page by appending /edit to the URL.