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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.
JavaScript Labels. 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;
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.
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.
21 cze 2024 · Example: This example uses break-label statements. JavaScript. let val = ["Geeks1", "Geeks2", "Geeks3", "Geeks4", "Geeks5"]; let print = ""; breaklabel: { print += val[0] + "\n" + val[1] + "\n"; break breaklabel; print += val[2] + "\n" + val[3] + "\n" + val[4]; } console.log(print); Output. Geeks1. Geeks2.
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. Syntax. break; Using the optional label reference: break labelname; More Examples. Break out of a switch block when a case is true:
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
