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. 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