Difference between javascriptsetTimeout and setInterval _ basic knowledge

Source: Internet
Author: User
Window objects have two main timing Methods: setTimeout and setInteval. Their syntaxes are basically the same, but their functions are different. The setTimeout method is a Timer Program, that is, after what time. After the job is finished, pull it down.
The setInterval method indicates that an operation is executed repeatedly at a certain interval.

If you use setTimeout to implement the setInerval function, you need to regularly call yourself in the executed program. To clear a counter, you need to call different clearing methods based on the method used:

For example:
Tttt = setTimeout ('northsnow () ', 1000 );
ClearTimeout (tttt );

Tttt = setInterval ('northsnow () ', 1000 );
ClearInteval (tttt );

For example:

The Code is as follows:

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