document.onreadystatechange

概述

readystatechange事件会在document.readyState属性发生变化时触发.

语法

document.onreadystatechange = funcRef;

funcRef 是个函数引用,会在readystatechange事件触发时调用.

例子

// 模拟DOMContentLoaded事件
document.onreadystatechange = function () {
    if (document.readyState == "complete") {
        initApplication();
    }
}

相关链接

• document.readyState
• Bug 300992 - onreadystatechange (HTML5/Microsoft extension to DOM document) not supported

规范

• https://www.whatwg.org/specs/web-apps/current-work/multipage/dom.html#current-document-readiness