jQuery method to determine whether there is a scroll bar

jQuery determines whether there is a scroll bar: first create a front-end code sample file; then use jQuery to control the scroll bar scroll; finally through "if( $("body").scrollTop()>0 ){...}else{ ...}" statement to determine whether the scroll bar is offset.



The operating environment of this tutorial: Windows7 system, jquery1.10.0 version, this method is applicable to all brand computers.

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jQuery to determine whether there is a scroll bar

Use jQuery to control the scroll bar, and then determine whether the scroll bar is offset. If there is, there is a scroll bar, on the contrary, it does not exist without scroll.

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