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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。

      • Keywords : 連結, 指令, onclick, java指令, 方法, 執行, return, false, Javascript, 連結自然就, 連結去執行, 用法, 樣式, 會每, 指令寫法會, 後加上, 失效, 功能, 利用這, 但這
      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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