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Q:

use strict javascript

// Whole-Script Strict Mode Syntax
'use strict';
var v = "Hi! I'm a strict mode script!";
2
// File: myscript.js

'use strict';
var a = 2;
....
1
// Non-strict code...

(function(){
  "use strict";

  // Define your library strictly...
})();

// Non-strict code... 
1
function doSomething() {
    'use strict';
    ...
}
0

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