When jQuery uses height () to obtain the height, it must be noted that jqueryheight

When jQuery uses height () to obtain the height, it must be noted that jqueryheight

In this article, we analyze the points that need attention when jQuery uses height () to obtain height. Share it with you for your reference. The specific analysis is as follows:

The jQuery script is as follows:
Copy codeThe Code is as follows: var aNode = $ ('# demo ');
Var height = aNode. height (); // If the aNode is displayed: none or the aNode is hidden before obtaining the height, the aNode height cannot be obtained.
Console. log (height );

The HTML page is as follows:
Copy codeThe Code is as follows: <div id = "demo" style = "display: none"> This is hidden and cannot be obtained! </Div>

I hope this article will help you with jQuery programming.