Which keyword is used to print the text on the screen?
Document. Write (“Welcome”) is used to print the text–Welcome on the screen.
Which keywords are used to handle exceptions?
Try… Catch—finally is used to handle exceptions in the JavaScript Try{ Code } Catch(exp){ Code to throw an exception. } Finally{ Code runs either it finishes successfully or after catch…
What is the use of a type of operator?
‘Typeof’ is an operator used to return a string description of the type of a variable.
How can generic objects be created?
Generic objects can be created as: var I = new object();
What are the two basic groups of data types in JavaScript?
They are as—Primitive Reference types Primitive types are number and Boolean data types. Reference types are more complex types like strings and dates.
What is break and continue statements?
Break statement exits from the current loop. Continue statement continues with next statement of the loop.
What are the disadvantages of using innerHTML in JavaScript?
If you use innerHTML in JavaScript, the disadvantage is Content is replaced everywhere We cannot use it like “appending to innerHTML Even if you use +=like “innerHTML = innerHTML +…
Does JavaScript has concept level scope?
No. JavaScript does not have concept-level scope. The variable declared inside the function has scope inside the function.
What a pop()method in JavaScript is?
The pop() method is similar to the shift() method, but the difference is that the Shift method works at the array’s start. The pop() method takes the last element off…
What are JavaScript Cookies?
Cookies are the small test files stored in a computer, and they get created when the user visits the websites to store information that they need. Examples could be User Name…