js 函数返回函数

提示：扫一扫查出行
【扫一扫了解最新限行尾号】
复制提示

<script>

var aa = function(fn, time, interval){

	return function(){

		if (typeof(fn) != 'function') return;

		var _time = +time,

			_interval = +interval;

		if (!isNaN(time) || time<0 || !isNaN(interval) || interval<0) return;

		var mt = setInterval(function(){

			if (time == 0) {

				clearInterval(mt);

			} else {

				fn(),time--;

			}

		}, interval);

	}

}

var _aa = aa(function(){

	console.log('执行');

},3,100);

_aa();

</script>