mirror of
https://github.com/jquery/jquery.git
synced 2024-12-09 08:04:24 +00:00
16 lines
448 B
JavaScript
16 lines
448 B
JavaScript
// Runs a function many times without the function call overhead
|
|
function benchmark(fn, times, name){
|
|
fn = fn.toString();
|
|
var s = fn.indexOf('{')+1,
|
|
e = fn.lastIndexOf('}');
|
|
fn = fn.substring(s,e);
|
|
|
|
return benchmarkString(fn, times, name);
|
|
}
|
|
|
|
function benchmarkString(fn, times, name) {
|
|
var fn = new Function("i", "var t=new Date; while(i--) {" + fn + "}; return new Date - t")(times)
|
|
fn.displayName = name || "benchmarked";
|
|
return fn;
|
|
}
|