⟩ What is an undefined value in JavaScript?
Undefined value means the
► Variable used in the code doesn't exist
► Variable is not assigned to any value
► Property doesn't exist
Undefined value means the
► Variable used in the code doesn't exist
► Variable is not assigned to any value
► Property doesn't exist
What is the use of type of operator?
Explain how to read and write a file using JavaScript?
What are escape characters?
What is unshift method in JavaScript?
What are JavaScript Cookies?
Which keywords are used to handle exceptions?
Explain window.onload and onDocumentReady?
Is JavaScript case sensitive? Give an example?
How will you explain closures in JavaScript? When are they used?
How are object properties assigned in JavaScript?