How to write if in jquery

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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