What is the disadvantage of using innerHTML in JavaScript?

What are JavaScript Cookies?

What is the working of timers in JavaScript?

How can add new elements dynamically in javascript?

What is the control flow function? and its execution in control flow statements?

Why is Node.js so popular these days?

Define the difference between ref and out parameters?

What is Python Programming Language ?

What is JDK, JRE and JVM in JAVA language ?

What is the Generic and non generic collections?

What is “this” keyword in java?

Explain client and server side validation.