User can use the X++ and and Y++?

How to? X++ Y– can use A JavaScript number VarIable.

1. Set up your JavaScript page.

2. Type to VarIables.

3. Put ++ or –.

Results:

var number = 1;
1++;

Use it.
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Again!

1. Set up your JavaScript page.

2. Type to VarIables.

3. Put ++ or –.