bigdata_WX/util/anitthro.js

let timer1 = null; //防抖，  
let timer2 = null; //节流  
function Debounce(fn, t) {//防抖
	let delay = t || 500;
	let timer1 = null; // 收敛进闭包：每个防抖实例独立计时，避免全局 timer1 被其它调用 clearTimeout 互相取消
	return function () {  
	    let args = arguments;  
	    // let timer1 = null  
	    // console.log(timer1);  
	    if(timer1){  
	        clearTimeout(timer1);  
	    }  
	    timer1 = setTimeout(() => {  
	        fn.apply(this, args);  
	        timer1 = null;  
	    }, delay);  
	} 
}
// 使用  
/*import {Debounce} from '@/common/debounceThrottle.js'  
Debounce(() => {  
    //要执行的函数  
}, 200)() */  
function Throttle(fn, t) {//节流
	let last;
	let interval = t || 500;  
	return function () {  
	    let args = arguments;  
	    let now = +new Date();  
	    if (last && now - last < interval) {  
	        clearTimeout(timer2);  
	        timer2 = setTimeout(() => {  
	            last = now;  
	            fn.apply(this, args);  
	        }, interval);  
	    } else {  
	        last = now;  
	        fn.apply(this, args);  
	    }  
	}  
}
 
module.exports = {
	Debounce: Debounce,
	Throttle: Throttle
}