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Showing content from https://webplatform.github.io/docs/javascript/statements/Labeled below:

Labeled · WebPlatform Docs

Labeled Summary

Provides an identifier for a statement.

Syntax

label :
statements

label: Required. A unique identifier used when referring to the labeled statement.
statements: Optional. One or more statements associated with label.

Examples

In the following code, the continue statement refers to the for loop that is preceded by the Inner: statement. When j is 24, the continue statement causes that for loop to go to the next iteration. The numbers 21 through 23 and 25 through 30 print on each line.

Outer:
 for (i = 1; i <= 10; i++) {
    document.write ("<br />");
    document.write ("i: " + i);
    document.write (" j: ");

 Inner:
    for (j = 21; j <= 30; j++) {
       if (j == 24)
           {
           continue Inner;
       }
       document.write (j + " ");
   }
 }

Remarks

Labels are used by the break and continue statements to specify the statement to which the break and continue apply.