Pure JavaScript

with

JavaScript1.0+, JScript1.0+, ECMAScript1.0+ NES2+, Nav2+, IE3+, Opera3+ Syntax

with(object){
  code;
}

Description

The with statement takes an object and refers to all of the properties, methods, and events of that object within the code without directly referencing the object itself. This allows you to use these characteristics of an object, such as the Math object, without specifically referencing the object.

Example

Listing 6.273 creates a variable, and then assigns it and the methods called on it, as a Math object. Because the with statement is used, you do not have to reference the methods via the instance of this object.

Listing 6.273 Using the with Statement

<script language="JavaScript"> <!–– Hide // Define the variables ...