What are data structures in javascript?
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Who introduced javascript?
What are the data types in js?
How would you check if a variable is null/undefined?
Give an example of closure?
How are javascript and ecma script related?
What is the difference between == and ===? Which one would you use?
Which type of variable among global and local, takes precedence over other if names are same?
What javascript method would convert the string “20” to an integer (on the fly) so “20” + 20 = 40?
What is the difference between firstChild and firstElementChild?
What is the main difference between Map collections and other collections such as Set.
What is a scope in javascript?
What is primitive data type in javascript?