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Q 1/5
Score 0
Which of the following best explains what hoisting means in JavaScript?
30
Hoisting involves manipulating arrays and strings in JavaScript.
Hoisting is the JavaScript process where variable and function declarations are moved to the top of their containing scope during the compilation phase.
Hoisting is the process of executing asynchronous code in JavaScript.
Hoisting refers to creating higher order functions in JavaScript.
Q 2/5
Score 0
Which of the following is an example of a higher order function in JavaScript?
30
The Math.random() function in JavaScript.
The toUpperCase() method for strings in JavaScript.
The parseInt() function in JavaScript.
The map() method for arrays in JavaScript.
5 questions
Q.
Which of the following best explains what hoisting means in JavaScript?
1
30 sec
Q.
Which of the following is an example of a higher order function in JavaScript?
2
30 sec
Q.
What does the JavaScript method push() do when used on an array?
3
30 sec
Q.
What is the purpose of the forEach() method in JavaScript when used with arrays?
4
30 sec
Q.
What does the JavaScript method filter() do when used on an array?