Strict mode in JavaScript tightens the rules for certain behaviors. You can execute JavaScript code in strict mode by using the “use strict” directive.

💻 Code: http://codepen.io/beaucarnes/pen/OmJL...

🔗 Resource: https://developer.mozilla.org/en-US/d...

🐦 Beau Carnes on Twitter:   / carnesbeau  

⭐JavaScript Tutorials Playlists⭐
▶JavaScript Basics:    • JavaScript Basics Course  
▶Data Structures and Algorithms:    • Data Structures and Algorithms - Beau...  
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▶Clean Code:    • Clean Code - Beau teaches JavaScript  

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