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Ilya Kantor 2018-12-05 15:55:02 +03:00 • committed by GitHub
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@ -219,9 +219,9 @@ num = 5; // the variable "num" is created if didn't exist
alert(num); // 5 alert(num); // 5
``` ```
That's a bad practice, it gives an error in the strict mode: That's a bad practice, it would give an error in the strict mode:
```js run refresh untrusted ```js
"use strict"; "use strict";
*!* *!*