JavaScript Mastery from Zero to Hero - Prepare for Coding Interviews - Exercise - Declare a Variable in JavaScript and L

The video tutorial covers the concept of variables in JavaScript, focusing on data types. It begins with an explanation of variables and data types, particularly strings. The instructor then provides an exercise for students to declare a variable as a number, set it to five, and use console.log to verify the output. The video concludes with instructions for completing the exercise.

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