The following is the code for the test:
Test js execution order< ;/title> <br><script language="javascript" type="text/javascript"><!-- <BR>var a = "This is a piece of JS code in the Header"; <BR> alert(a); <BR>// --></script> <br></head> <br><body onload="javscript:alert('This is in the Onload event of body Code! ');"> <br><form id="form1" runat="server"> <br><div> <br><p>Test the execution order of js<br>< ;/p> <br></div> <br></form> <br><script language="javascript" type="text/javascript"><!-- <BR>var a = "This is the last JS code of the page"; <BR>alert(a); <BR>// --></script> <br></body> <br></html> <br>
</div> <br>The execution order after running is as follows: <br><br>The execution order is: js in the head, js in the page (this is also the case if this Js is placed outside the body tag order), js in the onload event of the body tag.</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="HTML data and JS data encoding function in ASP_javascript skills" href="https://m.php.cn/faq/23261.html">HTML data and JS data encoding function in ASP_javascript skills</a></span><span>Next article：<a class="dBlack" title="HTML data and JS data encoding function in ASP_javascript skills" href="https://m.php.cn/faq/23263.html">HTML data and JS data encoding function in ASP_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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