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触发时机 先看下各个事件的触发时机(参考自MDN) DOMContentLoaded 当初始html文档完全加载并解析之后触发,无需等待样式、图片、子frame结束。作为明显的对比,load事件只有一个页面完全被加载时才触发。改用DOMContentLoaded的地方常常是load来代替,这是错误的。 tips: 有许多通用和独立的库提供跨浏览器方法来检测 DOM 是...
Help improve MDN Was this page helpful to you? YesNoLearn how to contribute. This page was last modified on Apr 7, 2023 by MDN contributors. View this page on GitHub • Report a problem with this content Mozilla ads Your blueprint for a better internet. MDN on Mastodon MDN on X (fo...
根据MDN 和的说法,readystatechange事件在所有浏览器中都是受支持的,但是document.readyState属性只支持返回,直到IE9+ (8*)。考虑到readystatechange事件的字面定义是:当文档的readyState属性发生更改时,会触发readystatechange事件。除非以前的readystatechange实现将document.readyState保持为无法访问...
不是100%确定这里的期望，但是这个函数应该返回一个XHR对象。
https://github.com/mdn/browser-compat-data IE 浏览器是一直支持readystatechange事件的,可作为DOMContentLoaded事件的替代方法(参见Browser compatibility的注释 [2])。 参见 DOMContentLoaded load beforeunload unload 收藏0 分享到微信 分享到QQ 分享到微博 ...
先看下各个事件的触发时机(参考自MDN) DOMContentLoaded 当初始html文档完全加载并解析之后触发,无需等待样式、图片、子frame结束。作为明显的对比,load事件只有一个页面完全被加载时才触发。改用DOMContentLoaded的地方常常是load来代替,这是错误的。 tips: 有许多通用和独立的库提供跨浏览器方法来检测 DOM 是否已准备就...
Firefox for Android Opera Android Safari on iOS Samsung Internet WebView Android WebView on iOS readystatechangeevent Legend Tip: you can click/tap on a cell for more information. Full support Full support See also Related events:DOMContentLoaded,load,beforeunload,unload...