jQuery empty() jQueryempty()|jQuery

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jQuery empty()方法的示例
jQuery empty()示例2

jQuery empty()方法用于从所选元素中删除所有子节点和内容。此方法不会删除元素本身。
如果要删除元素而不删除数据和事件, 则应使用detach()方法。如果要删除元素及其数据和事件, 则应使用remove()方法。【jQuery empty()】句法：

$(selector).empty()

jQuery empty()方法的示例让我们以一个示例来演示jQuery empty()方法。

< !DOCTYPE html> < html> < head> < script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.3/jquery.min.js"> < /script> < script> $(document).ready(function(){ $("button").click(function(){ $("div").empty(); }); }); < /script> < /head> < body> < div style="height:150px; background-color:yellow"> Twinkle, twinkle, little star, < br/> How I wonder what you are!< /br> Up above the world so high, < br/> Like a diamond in the sky.< br/> Twinkle, twinkle, little star, < br/> How I wonder what you are!< br/> < p> < b> This poem is written inside the div.< /b> < /p> < /div> < p> This paragraph is written outside the div.< /p> < button> Execute empty() method to remove the content of div element.< /button> < /body> < /html>

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jQuery empty()示例2

< !DOCTYPE html> < html> < head> < title> The jQuery Example< /title> < script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/2.1.3/jquery.min.js"> < /script> < script type="text/javascript" language="javascript"> $(document).ready(function() { $("div").click(function () { $(this).empty(); }); }); < /script> < style> .div{ margin:10px; padding:12px; border:2px solid #666; width:60px; } < /style> < /head> < body> < p> Click any of the box given below to see the result:< /p> < div class="div" style="background-color:yellow; "> Click me!< /div> < div class="div" style="background-color:green; "> Click me!< /div> < div class="div" style="background-color:red; "> Click me!< /div> < /body> < /html>

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