The var statement declares a variable.
Syntax
var variable [ = value ] [, variable2 [ = value2], ...]
The var statement syntax has the following parts:
Part |
Description |
variable, variable2 |
The names of the variables being declared. |
value, value2 |
The initial value assigned to the variable. |
Return value
None
Example
Use the var statement to declare variables. These variables can be assigned values at declaration or later in your script. Examples of declaration follow:
function declareVar()
{
var index = 100;
document.write("var index: " + index);
var name = "Thomas Jefferson";
document.write("var name: " + name);
}
document.write(declareVar());
|
 To run the code, paste it into JavaScript Editor, and click the Execute button.
See Also: function Statement, new Operator |
