Home > Article > Web Front-end > A brief discussion on height and width_jquery in jQuery
There are three methods to obtain the element height in jquery, namely: height(), innerHeight(), outerHeight(bool); there are also three corresponding methods to obtain the element width: width(), innerHeight(), outerHeight( bool), what element attributes do these three methods correspond to, as shown in the figure below:
As you can see from the above picture: the height() method corresponds to the width attribute set by the top style;
innerHeight() corresponds to width padding-top padding-bottom;
outerHeight() corresponds to width padding-top padding-bottom border-top border-bottom;
In addition, you can see that the values of outerHeight and outerWidth below are different because the outerWidth(bool) method parameter is set to true,
At this time, margin-top and margin-bottom will be added;
That is: outerWidth = width padding-top padding-bottom border-top border-bottom margin-top margin-bottom;
Let’s give a simple example
<html> <head> <script type="text/javascript" src="/jquery/jquery.js"></script> <script type="text/javascript"> $(document).ready(function(){ $("button").click(function(){ $("#id200").width("300px"); }); }); </script> </head> <body> <div id="id100" style="background:yellow;height:100px;width:100px">HELLO</div> <div id="id200" style="background:yellow;height:100px;width:100px">W3SCHOOL</div> <button type="button">请点击这里</button> </body> </html>
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