41 lines
768 B
JavaScript
41 lines
768 B
JavaScript
|
var binds = [];
|
||
|
|
var cbs = [];
|
||
|
|
var fats = [];
|
||
|
|
var count = 1000000;
|
||
|
|
|
||
|
|
var a = {
|
||
|
|
n: 1
|
||
|
|
}
|
||
|
|
|
||
|
|
function test_a() {
|
||
|
|
this.n++;
|
||
|
|
}
|
||
|
|
|
||
|
|
var start = Date.now();
|
||
|
|
for (var i = 0; i < count; i++)
|
||
|
|
binds.push(test_a.bind(a));
|
||
|
|
console.log(`Make bind time: ${Date.now()-start} ms`);
|
||
|
|
|
||
|
|
start = Date.now();
|
||
|
|
for (var i = 0; i < count; i++)
|
||
|
|
fats.push(() => test_a.call(a));
|
||
|
|
console.log(`Make fat time: ${Date.now()-start} ms`);
|
||
|
|
|
||
|
|
start = Date.now();
|
||
|
|
for (var i = 0; i < count; i++) {
|
||
|
|
binds[i]();
|
||
|
|
}
|
||
|
|
console.log(`Bind time: ${Date.now()-start} ms`);
|
||
|
|
|
||
|
|
start = Date.now();
|
||
|
|
for (var i = 0; i < count; i++) {
|
||
|
|
fats[i]();
|
||
|
|
}
|
||
|
|
console.log(`Fat time: ${Date.now()-start} ms`);
|
||
|
|
|
||
|
|
start = Date.now();
|
||
|
|
for (var i = 0; i < count; i++)
|
||
|
|
test_a.call(a);
|
||
|
|
|
||
|
|
console.log(`Call time: ${Date.now()-start} ms`);
|