function throttle(func, limit) {...}: let inThrottle;和let lastCall = 0;:存储节流状态和上次执行时间。 return function(...args) {...}:返回一个新的函数,根据当前时间和上次执行时间的差决定是否执行func。 const now = new Date().getTime();:获取当前时间。 if (now - lastCall < limit) {...
$.throttle = jq_throttle = function( delay, no_trailing, callback, debounce_mode ) { // After wrapper has stopped being called, this timeout ensures that // `callback` is executed at the proper times in `throttle` and `end` // debounce modes. var timeout_id, // Keep track of th...
代码语言:javascript 代码运行次数:0 运行 AI代码解释 varisObject=require('./isObject'),now=require('./now'),toNumber=require('./toNumber');/** Error message constants. */varFUNC_ERROR_TEXT='Expected a function';/* Built-in method references for those with the same name as other `lodash...
```javascript function throttle(func, limit) let inThrottle; return functio const args = arguments; const context = this; if (!inThrottle) func.apply(context, args); inThrottle = true; setTimeout(functio inThrottle = false; }, limit); } }; ``` 在这个示例代码中,throttle函数接受两个参...
function throttle(callback, timer = 1000) { let id = null; let flag = true; return function() { if(!id && flag) { id = setTimeout(() => { callback(); clearTimeout(id); // flag = true; }, timer); } else { log(`等待中,忽略后面事件的执行!`); ...
$(window).scroll(function() { didScroll = true; }); setInterval(function() { if ( didScroll ) { didScroll = false; // Check your page position and then // Load in more results } }, 250); ::: 如今,处理事件的方式稍微复杂了一些。下面我们结合用例,一一介绍 Debounce、 Throttle 和requ...
We do this with setTimeout and clearTimeout in the JavaScript above.If you noticed the debounce function taking a function and returning a another function, that is an example of a closure in JavaScript. When we debounce a function, we pass our original function in, and wrap it in ...
代码语言:javascript 代码运行次数:0 /** * @param {Function} fn * @param {Number} delay */functionthrottle(fn,delay=50){letlastTime=0;returnfunction(...args){constnow=Date.now();if(now-lastTime>delay){lastTime=now;fn.apply(this,args);}};}setInterval(throttle(()=>{console.log(1);...
// 简单的`debounce`函数实现vardebounce =function(func, wait){vartimer// 定时器// 返回包装过的debounce函数returnfunction(...args){// 如果有触发,则取消之前的触发,以当前触发为准,重新计时if(timer){clearTimeout(timer) }// 设置定时器timer =setTimeout(function(){// 定时器的回调函数:清除本次...
test [Function] test2 等待中,忽略后面事件的执行! test3 等待中,忽略后面事件的执行! callback function! *//* $ node throttle.js test [Function] test2 等待中,忽略后面事件的执行! test3 等待中,忽略后面事件的执行! that undefined this Timeout { ...