The with statement establishes the default object for a statement.
Syntax
with (object)
statement
The with statement syntax has these parts:
Part |
Description |
object |
The new default object. |
statement |
The statement for which object is the default object. Can be a compound statement. |
Example
The with statement is commonly used to shorten the amount of code that you have to write in certain situations. In the example that follows, notice the repeated use of Math:
function generateNumber()
{
with(Math)
{
var x, y ,z
x= cos(3 * PI) + sin (LN10)
y= tan(14 * E)
z=(pow(x,2) + pow(y,2)) * random()* 100;
}
return z;
}
document.write(generateNumber());
|
 To run the code, paste it into JavaScript Editor, and click the Execute button.
See also: this statement |
