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How to write if in jquery: 1. Use "if($num=="1"){}else{};"; 2. Use "$num=="1"?alert(1 ):alert(0);" writing method.
The operating environment of this tutorial: windows7 system, jquery version 1.10.0, thinkpad t480 computer.
Recommended: "jquery video tutorial"
jquery writing if statement
The first way to write (I usually Written like this):
if($num=="1"){ alert(1); }else{ alert(0); };
The second way of writing:
$num=="1"?alert(1):alert(0);
From a specification point of view, the first type is more commonly used in products, because maintenance and upgrades must be considered, and it must be easy to read; from If the code is concise and the statements are not long, use the second method. It is recommended for general projects for rapid development.
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