方法说明:
完成时间,执行 console.time 到 console.timeEnd 之间所花费的时间。
语法:
console.timeEnd(label)
接收参数:
Label 与开始时间 console.log 的 label 对应
例子:
console.time('100-elements');
for (var i = 0; i
;
}
console.timeEnd('100-elements');
源码:
Console.prototype.timeEnd = function(label) {
var time = this._times[label];
if (!time) {
throw new Error('No such label: ' + label);
}
var duration = Date.now() - time;
this.log('%s: %dms', label, duration);
};
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