1. What are the types of variable in JavaScript? Ans: Two types of variables Local variable Global variable 2. What is the use of typeof in JavaScript? Ans: It is used to find the datatype of variable. 3. How to create Objects in JavaScript? Ans: Three ways to create Objects in JavaScript. By object literal. By creating instance of object. By object constructor. 4. How to create an Array in JavaScript? Ans: Three ways to create Array in JavaScript. By array literal. By...
Ever walked into an interview feeling like you knew your stuff, only to get stumped by a “simple” question on the box model or semantic tags? Yeah, I’ve been there. Early in my web dev career, I bombed a few rounds because I treated HTML and CSS as basics I could wing. Big mistake. These foundations are what interviewers love to probe—testing not just knowledge, but how you...
Landing your first Java job starts with nailing the basics. Recruiters often grill freshers on Core Java concepts, so mastering these 29 frequently asked questions will give you the confidence—and the vocabulary—to shine in any interview room. Q1. How do JDK and JRE differ? The JDK (Java Development Kit) contains tools to write, compile, and debug Java code. In contrast, the JRE (Java Runtime Environment) only provides the...