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If else statement in Javascript

Check condition true or false.

Syntax

if(expression){

    //content to be evaluates when true

}else{

    //content to be evaluates when false

}

Example

var a=10;

if(a>5){

    document.write("Value of a is greater than 5");

}else{

    document.write("Value of a is less than 5");

}

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