Javascript - Statement with Statement

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Introduction

The with statement sets the scope for an object.

The syntax is as follows: 

with (expression)
   statement;

The following code: 

var q = location.search.substring(1);
var h = location.hostname;
var u = location.href;

can be rewritten using the with statement as follows: 

with(location){
    var q = search.substring(1);
    var h = hostname;
    var u = href;
}

In the code, the with statement is used with the location object.

In strict mode, the with statement is not allowed and is considered a syntax error.