The labeled statement provides an identifier for a statement.
Syntax
label :
statement
Labeled statement syntax has these parts:
Part |
Description |
label |
A unique identifier used when referring to the labeled statement. |
statement |
The statement associated with label. May be a compound statement. |
Return value
None
Example
Labels are used by the break and continue statements to specify the statement to which the break and continue apply.
In the following statement the continue statement uses a labeled statement to create an array in which the third column of each row contains and undefined value:
function labelTest()
{
var a = new Array();
var i, j, s = "", s1 = "";
Outer:
for (i = 0; i < 5; i++)
{
Inner:
for (j = 0; j < 5; j++)
{
if (j == 2)
continue Inner;
else
a[i,j] = j + 1;
}
}
for (i = 0;i < 5; i++)
{
s = ""
for (j = 0; j < 5; j++)
{
s += a[i,j];
}
s1 += s + "\n";
}
return(s1)
}
document.write(labelTest());
|
 To run the code, paste it into JavaScript Editor, and click the Execute button.
See also: break statement, continue statement |
