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When using nested loops, we can terminate the outer loop with a labeled break statement. Working of labeled break statement in JavaScript. As you can see in the image above, the outerloop label identifies the outer loop. When break outerloop; is encountered, it exits the outer loop, and control shifts to the statements following it.
7 wrz 2023 · A labeled statement is any statement that is prefixed with an identifier. You can jump to this label using a break or continue statement nested within the labeled statement.
Without a label, break will break out of the inner loop. With a label you can stop execution of nested loops. See the examples: https://developer.mozilla.org/en/JavaScript/Reference/Statements/label
To label JavaScript statements you precede the statements with a label name and a colon: label: statements. The break and the continue statements are the only JavaScript statements that can "jump out of" a code block. Syntax: break labelname; continue labelname;
The break statement can use a label reference, to break out of any JavaScript code block (see "More Examples" below). Without a label, break can only be used inside a loop or a switch.
The break statement is used to terminate the loop immediately when it is encountered. The syntax of the break statement is: break [label]; Note: label is optional and rarely used.
Summary. Use the break statement to terminate a loop including for, while, and do...while prematurely. When used in a nested loop, the break statement terminates the enclosing loop. To terminate the nested loop, you use a label statement.
