1. Event introduction
(1) Bind a function to be executed when the DOM is loaded and ready for query and manipulation;
(2) Please ensure that there is no registered function in the onload event of the
element. Otherwise, the $(document).ready() event will not be triggered;
(3) The $(document).ready() event can be used unlimited times in the same page;
(4) The functions registered in it It will be executed in sequence (in the code).
2. Event format
$(document).ready(function(){
//jQuery code
});
3. Example
ready(fn) event</ title> <br><script type="text/javascript" src="jquery-2.0.3.js"></script> <br><style type="text/css"> <br>body{ <br>background-color:#CCCCFF; <br>font-size:24px; <br>font-weight:bold; <br>text-align:center; <br>} <br>.body_div{ <br>padding:20px 20px 20px 20px; <br>} <br></style> <br><script type="text/javascript"> <br>$(document).ready(function() { <br>$("input[type='radio']").click(function(){ <br>var se = $("input[name='sex'][type='radio']:checked ").val(); <br>if(se == "Male"){ <br>alert("Male"); <br>} <br>if(se == "Female"){ <br> alert("Female"); <br>} <br>}); <br>}); <br></script> <br></head> <br><body> <br>< ;div class="body_div"> <br><input type="radio" id="male" name="sex" value="male"/>Male<br><input type="radio" id="female" name="sex" value="female"/>female<br></div> <br></body> <br></html> <br>
</div> <br>4. The results are as follows: <br> (1) When "Male" is selected <br><img src="http://files.jb51.net/file_images/article/201308/201308210846011.gif?201372184626" alt="Introduction to the use of jquery ready(fn) event_jquery" > <br> (2) When "Female" is selected <br><img src="http://files.jb51.net/file_images/article/201308/201308210846422.gif?201372184654" alt="Introduction to the use of jquery ready(fn) event_jquery" ></div><div class="nphpQianMsg"><div class="clear"></div></div><div class="nphpQianSheng"><span>Statement：</span><div>The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn</div></div></div><div class="nphpSytBox"><span>Previous article：<a class="dBlack" title="Example of JS detecting image size_javascript skills" href="https://m.php.cn/faq/16363.html">Example of JS detecting image size_javascript skills</a></span><span>Next article：<a class="dBlack" title="Example of JS detecting image size_javascript skills" href="https://m.php.cn/faq/16365.html">Example of JS detecting image size_javascript skills</a></span></div><div class="nphpSytBox2"><div class="nphpZbktTitle"><h2>Related articles</h2><em><a href="https://m.php.cn/article.html" class="bBlack"><i>See more</i><b></b></a></em><div class="clear"></div></div><ins class="adsbygoogle"
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