Test Your JavaScript Knowledge Think you know JavaScript inside and out? Take this quiz to put your skills to the test! There are 12 questions waiting for you. delya90 published on February 200 responses 0 « Previous Next » Questions in vertical order 1/12 What is JavaScript primarily used for? Creating web pages Adding interactivity to web pages Styling web pages Building databases 2/12 Which symbol is used to denote a single line comment in JavaScript? // -- /* <!-- 3/12 What does DOM stand for in JavaScript? Document Object Model Data Object Model Design Object Model Documentary Object Model 4/12 Which operator is used for strict equality comparison in JavaScript? = == === != 5/12 What method is used to remove the last element from an array in JavaScript? pop() push() shift() unshift() 6/12 Which of the following is not a JavaScript data type? Number Boolean Float String 7/12 What function is used to print content to the console in JavaScript? print() alert() console.log() write() 8/12 What is a higher-order function in JavaScript? A function that takes another function as an argument A function that has a higher scope than other functions A function that is executed after all other functions A function that takes a higher number of parameters 9/12 Which built-in method returns the length of a string in JavaScript? size() length() count() length 10/12 How can you create a new object in JavaScript? var obj = Object.new(); var obj = new Object(); var obj = create Object(); var obj = Object.create(); 11/12 Where does JavaScript code typically run? Server-side Client-side Database Operating system 12/12 What does the 'this' keyword refer to in JavaScript? The current user The previous element The current object The parent element
