WebsetTimeout返回一个id值，该id标识此定时器，该id值可以用来提前取消定时器（使用clearTimeout方法）。 setTimeout的归属. 在调用setTimeout时，我们一般都是直接调用setTimeout(func, delay)方法。这种调用方式其实隐藏了setTimeout的对象。该对象就是JavaScript全局对象。 Web12 Feb 2014 · 1 Answer. setTimeout ('', 5000) won't do anything. It won't delay the next line of code if that's what you're trying to do and by specifying an empty string for the first argument, you've not given it any code to run when the setTimeout () does actually fire so it does nothing. If you want the alert to pop up after the page has loaded, then you ...
setInterval("alert(
Web2 Sep 2024 · setInterval ("alert ('welcome');",1000); 这段代码的意思是 () 国家电网招聘考试培训协议班，未通过，学费全退！. 学历作业 详细咨询. 南方电网招聘考前协议班，未通 … Web28 Jun 2024 · 代码如下: setTimeout(function(obj){ alert(obj.a); }, 2000, {a:1}); 即传了第三个参数，第三个参数将作为回调函数的参数obj传入。在非IE浏览器中都弹出了1。 在非IE浏览器中都弹出了1。 home extension canning recipes
setInterval(“alert(welcome)”,1__牛客网
WebCode executed by setTimeout () is run in a separate execution context to the function from which it was called. As a consequence, the this keyword for the called function will be set to the window (or global) object; it will not be the same as the this value for the function that called setTimeout. See the following example: Web25 Nov 2024 · 前言. 在刷笔试题的时候，经常会碰到setTimeout的问题，只知道这个是设置定时器；但是考察的重点一般是在一个方法中包含了定时器，定时器中的打印和方法中打 … Web24 Apr 2024 · setInterval语法规范： window.setInterval(调用函数，延时时间); 与setTimeout区别： setTimeout是延时时间到了就去调用这个回调函数，只调用了一次 就 … home exs program upper extremity