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The difference between $('#jb51') and document.getElementById('jb51') in jquery_jquery

WBOY
Release： 2016-05-16 18:04:34
Original
1172 people have browsed it

When I wrote a small canvas program today, I discovered that the two are different.

Use alert() directly to show what these two methods get. The code is as follows:

Copy code The code is as follows:





jb51

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