JavaScript Break and Continue

break Statement 'break out' of the loop.

continue Statement 'skip' an iteration in the loop.

Break statement

In the earlier chapters of this tutorial, you have seen break statement. It is used to 'break out' of switch statement.

The break statement can also be used to break out of a loop.

break statementIt will break out of the loop and continue executing the code after the loop (if any):

Example

for (i = 0; i < 10; i++) {
    if (i === 3) { break; }
    text += "Number is " + i + "<br>";
}

Try It Yourself

Continue statement

continue statementBreak (in a loop) an iteration if a specified condition occurs. Then continue with the next iteration in the loop.

This example skips the value 3 :

Example

for (i = 0; i < 10; i++) {
    if (i === 3) { continue; }
    text += "Number is " + i + "<br>";
}

Try It Yourself

JavaScript label

To mark a JavaScript statement, please place the label name and colon before the statement:

label:
statements

break and continue The statement is the only JavaScript statement that can be used to 'break out' of a code block.

Syntax:

break labelname;
continue labelname;

continue statement (whether with or without label reference) can only be used forSkipping over an iteration.

break statement, if no label reference is used, can only be used forBreak out of a loop or a switch.

If there is a label reference, then break statements can be usedBreak out of any code block:

Example

var  cars = ["BMW", "Volvo", "Saab", "Ford"];
list: {
    text += cars[0] + "<br>"; 
    text += cars[1] + "<br>"; 
    text += cars[2] + "<br>"; 
    break list;
    text += cars[3] + "<br>"; 
    text += cars[4] + "<br>"; 
    text += cars[5] + "<br>"; 
}

Try It Yourself

Code blocks refer to { With } direct code snippets.

Supplementary Books

For more information on JavaScript Break and Continue Statementsfor more information on the knowledge, please read the relevant content in the Advanced JavaScript Tutorial:

ECMAScript break and continue Statements
This section explains the differences between break statements and continue statements, and how to use them with labeled statements.