What is "strict mode" and how is it used?

What is "strict mode" and how is it used?

javascript strict-mode

javascript

Warning: findDOMNode is deprecated in StrictMode. findDOMNode was passed an instance of Transition which is inside StrictMode

javascript reactjs react-component react-state strict-mode

javascript

Is there any way to check if strict mode is enforced?

javascript ecmascript-5 ecma262 strict-mode

javascript

Can I disable ECMAscript strict mode for specific functions?

javascript ecmascript-5 ecma262 strict-mode

javascript

Why is delete not allowed in Javascript5 strict mode?

javascript ecmascript-5 strict-mode

javascript

Why is body.scrollTop deprecated?

javascript scrolltop strict-mode

javascript

Should I 'use strict' for every single javascript function I write?

javascript strict-mode

javascript

Possible to enable "strict mode" in FireBug and Chrome's console?

javascript console strict-mode

javascript

How to get caller from strict mode?

javascript strict-mode

javascript

Why are Octal numeric literals not allowed in strict mode (and what is the workaround?)

javascript ecmascript-5 octal strict-mode

javascript

Getting a reference to the global object in an unknown environment in strict mode

javascript global ecmascript-5 ecma262 strict-mode

javascript

Two functions with the same name in JavaScript - how can this work?

javascript function closures strict-mode

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