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Forum Dictionary / Programming / 網頁/網站程式 / JavaScript /

javascript:void(0) 有什麼作用

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javascript:void(0) 有什麼作用

一般我們在使用連結指令寫法:

<a href="...">我是連結</a>

若是我們需要利用這個連結去執行 Javascript 指令又想要保持連結的樣式時,我們就可以使用這個指令:

<a href="javascript:void(0);" onclick="..java指令..">我是連結</a>

但是這樣子的指令寫法會造成 window.location 功能的失效。所以有些人會使用這樣的方法:

<a href="#" onclick="..java指令..">我是連結</a>

但這個方法又會每次移動頁面到網頁頂端,所以魚戀秋波建議以下的用法:

<a href="#" onclick="..java指令..;return false;">我是連結</a>

就是在執行 Javascript 指令之後加上 return false; 讓程序返回失敗 <a>連結自然就不會執行。

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0 0
2009-10-07T12:35:49+0000

學生妹瀨043811 :

!!! The contents has been hidden because it violates policy tactic. !!!
0 0
2019-01-29T16:53:03+0000


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