GlobalEventHandlers.onmouseenter

GlobalEventHandlers的onmouseenter 属性绑定 EventHandler 后来处理mouseenter 事件.

元素绑定了监听事件后，当一个指针设备（通常是鼠标）移动到这个元素上时mouseenter事件将会被触发。

语法

element.onmouseenter = handlerFunction;
var handlerFunction = element.onmouseenter;

handlerFunction 可以是 null 或者一个用于处理事件的JavaScript 函数。

规格	状态	注释
HTML Living Standard onmouseenter	Living Standard

	Desktop						Mobile
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	Android webview	Chrome for Android	Firefox for Android	Opera for Android	Safari on iOS	Samsung Internet
`onmouseenter`	Chrome Full support 30	Edge Full support 12	Firefox Full support 10	IE Full support 5.5	Opera Full support 17	Safari Full support Yes	WebView Android Full support Yes	Chrome Android Full support Yes	Firefox Android Full support 10	Opera Android Full support 18	Safari iOS Full support Yes	Samsung Internet Android Full support Yes