jQuery uses height() to obtain the height that needs attention_jquery

The example of this article analyzes what needs to be paid attention to when jQuery uses height() to obtain height. Share it with everyone for your reference. The specific analysis is as follows:

The jQuery script is as follows:

Copy code The code is as follows:

var aNode = $('#demo');
var height = aNode.height(); //If aNode is already display:none before getting the height or aNode is hidden, then the height of aNode cannot be obtained
console.log(height);

The HTML page is as follows:

Copy code The code is as follows:

this Everything is hidden and you can’t get the height!

I hope this article will be helpful to everyone’s jQuery programming.