Javascript Tutorial Variable

Variable

1. Copy reference during assignment for object in JavaScript
2. Copy value from one primitive type to another by assigning in JavaScript
3. Create a code with three level of execution context in JavaScript
4. Define a variable outside a function and can change its value in a function in JavaScript
5. Demonstrate that there are no Block-Level Scopes in JavaScript
6. Demonstrate that variable defined with var is added to the current context in JavaScript
7. Demonstrate that variable defined without var keyword is globe scoped in JavaScript
8. Demonstrate that variables created by the var statement are not affected by the delete operator in JavaScript
9. Find out the difference between primitive wrapper constructor vs casting function in JavaScript
10. Use eval to evaluate dynamic expressions in JavaScript
11. Use typeof operator to check if a variable is a primitive type or undefined or object in JavaScript

Javascript Tutorial Variable