BigTime Software Frontend Developer Intern Interview Questions and Answers

JavaScript has 7 different data types including number, string, boolean, null, undefined, object, and symbol.

• Number: represents numeric values

• String: represents textual values

• Boolean: represents true/false values

• Null: represents intentional absence of any object value

• Undefined: represents an uninitialized value

• Object: represents a collection of properties

• Symbol: represents a unique identifier

call(), apply() and bind() are methods used to manipulate the 'this' keyword in JavaScript.

• call() and apply() are used to invoke a function with a specific 'this' context and arguments.

• call() accepts arguments as a comma-separated list, while apply() accepts arguments as an array.

• bind() returns a new function with a specific 'this' context, which can be invoked later with arguments.

• bind() is useful for creating a new f...read more