What is strict mode in JavaScript
Strict mode is a ECMAScript 5.1 feature used mainly for testing and debugging.
when enabled the JavaScript engine catches more errors among others undeclared variables, duplicate object properties.
How to enable strict mode,
In your code include;
In your code include;
'use strict';
You can put the declarative on the top most line anything that comes after it will be handled in a strict manner.
Comments
Post a Comment