When we use setTimeout() in our code, we tell the browser to remember a task (callback function) and a time delay. While the browser waits for the specified time, it can do other tasks. Our script doesn’t have to sit idle; it can keep doing things. Once the specified time elapse...
I'm not an expert in JS domain but I've found a workaround for this problem using setTimeout() and arecursive functionas follows: i=0;//you should set i as a global variablefunctionrecFunc() { i++;if(i ==1) {//do job1}elseif(i ==2) {//do job2}elseif(i ==3) {//...
function greet(){ alert('Howdy!'); } setTimeout(greet, 2000); 它可以是一个指向函数的变量(函数表达式): const greet = function(){ alert('Howdy!'); }; setTimeout(greet, 2000); 或者它可以是一个匿名函数(在这种情况下是箭头函数): setTimeout(() => { alert('Howdy!'); }, 2000); ...
You can use this code: (stolen from http://www.phpied.com/sleep-in-javascript/) function sleep(milliseconds) { var start = new Date().getTime(); for (var i = 0; i < 1e7; i++) { if ((new Date().getTime() - start) > milliseconds){ break; } } } This will actually bl...
functionpollDOM(){constel=document.querySelector('my-element');if(el.length){// Do something with el}else{setTimeout(pollDOM,300);// try again in 300 milliseconds}}pollDOM(); 这假设该元素最终会出现。如果你不确定这是否会发生,你需要考虑取消计时器(使用clearTimeout或clearInterval)。
console.log("===sleep==="); // sleep 等待几秒 const sleep = (seconds) => new Promise((resolve) => setTimeout(resolve, seconds)); async function sleepTest() { ...
如何在 JS 中创建 sleep 函数 对于那些只想快速解决问题而不想深入了解技术细节的人,我们也有简单明了的解决方案。下面是如何在你的JavaScript工具箱中添加一个 sleep 函数的最直接方式: 复制 function sleep(ms) { return new Promise(resolve => setTimeout(resolve, ms)); ...
The setTimeout() method in JavaScript allows you to execute a piece of code or a function after some time. The setTimeout() function takes two parameters. The first parameter is the callback function, and the second parameter is the time for which you want to delay the execution of the...
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