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characters

返回值:Elementget([index])

概述

取得其中一個匹配的元素。 num表示取得第幾個匹配的元素。

這能夠讓你選擇一個實(shí)際的DOM 元素并且對他直接操作,而不是通過 jQuery 函數(shù)。$(this).get(0)與$(this)[0]等價(jià)。

參數(shù)

[index]Number

取得第 index 個位置上的元素

get()

取得所有匹配的 DOM 元素集合。

示例

描述:

HTML 代碼:
<img src="test1.jpg"/> <img src="test2.jpg"/>
jQuery 代碼:
$("img").get(0);
結(jié)果:
[ <img src="test1.jpg"/> ]

描述:

選擇文檔中所有圖像作為元素?cái)?shù)組,并用數(shù)組內(nèi)建的 reverse 方法將數(shù)組反向。

HTML 代碼:
<img src="test1.jpg"/> <img src="test2.jpg"/>
jQuery 代碼:
$("img").get().reverse();
結(jié)果:
[ <img src="test2.jpg"/> <img src="test1.jpg"/> ]
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