use strict' in javascript
//It's a new feature of ECMAScript 5.
//With strict mode, you can not, for example, use undeclared variables.
Insert a 'use strict'; statement on top of your script:
/***START ANY JS FILE***/
'use strict';
var a = 2;
....
/***END***/
Or, insert a 'use strict'; statement on top of your function body:
function doSomething() {
'use strict';
...
}javascript use strict
// Whole-Script Strict Mode Syntax
'use strict';
var v = "Hi! I'm a strict mode script!";use strict javascript
// File: myscript.js
'use strict';
var a = 2;
....use strict javascript
function doSomething() {
'use strict';
...
}Turn on modern JS by adding use strict to your script
// Non-strict code...
(function(){
"use strict";
// Define your library strictly...
})();
// Non-strict code...Copyright © 2021 Codeinu
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