debugger

Summary

Invokes any available debugging functionality. If no debugging functionality is available, this statement has no effect.

Version Information

Statement
Implemented in	JavaScript 1.0
ECMAScript Edition	ECMA-262 5th Edition

Syntax

debugger;

Examples

The following example shows code where a debugger statement has been inserted, to invoke a debugger (if one exists) when the function is called.

function potentiallyBuggyCode() {
    debugger;
    // do potentially buggy stuff to examine, step through, etc.
}