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personnages

返回值:jQuerymouseenter([[data],fn])

概述

当鼠标指针穿过元素时,会发生 mouseenter 事件。该事件大多数时候会与mouseleave 事件一起使用。

与 mouseover 事件不同,只有在鼠标指针穿过被选元素时,才会触发 mouseenter 事件。如果鼠标指针穿过任何子元素,同样会触发 mouseover 事件。

参数

fnFunctionV1.0

在每一个匹配元素的mouseenter事件中绑定的处理函数。

[data],fnString,FunctionV1.4.3

data:mouseenter([Data], fn) 可传入data供函数fn处理。

fn:在每一个匹配元素的mouseenter事件中绑定的处理函数。

示例

描述:

当鼠标指针进入(穿过)元素时,改变元素的背景色:

jQuery 代码:
$("p").mouseenter(function(){
  $("p").css("background-color","yellow");
});
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