Home >Web Front-end >HTML Tutorial >getElementById cannot get the object. . Can't find the reason_html/css_WEB-ITnose
getElementById cannot get the object. . Can't find the reason_html/css_WEB-ITnose
- WBOYOriginal
- 2016-06-24 12:18:121323browse
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><title>Icon</title></head><body><script type="text/javascript"><!-- document.getElementById('div_test').style.display='none';//--></script><div id="div_test">test</div></body></html> Such a simple code is a bit strange
The browser prompts a script error 'Error: Cannot get property "style" of undefined or null reference'
Reply to discussion (solution)
Sequential execution, div has not been created yet The code in the srcipt has been executed, so. .
It is executed sequentially. The code in the script is executed before the div is created, so. .
345ae2addd403f5a69b4b37dd383f5b7test16b28748ea4df4d9c2150843fecfba68
4ec11beb6c39d0703d1751d203c17053
33ecf88c11ab409b101a52af6640b976
2cacc6d41bbb37262a98f745aa00fbf0
Thank you everyone, I made a stupid mistake :)
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