Number, String, Boolean, Object, Undefined
‘This’ keyword refers to the object from where it was called.
3. What is === operator?
=== is called a strict equality operator, which returns true when the two operands have the same value without conversion.
4. Difference between “==” and “===”?
“==” checks only for equality in value, whereas “===” is a stricter equality test and returns false if either the value or the type of the two variables are different.
The NULL value is used to represent no value or no object. It implies no object or null string, no valid boolean value, no number, and no array object.
For , While
This can be done by including the name of the required frame in the hyperlink using the ‘target’ attribute.
Variable used in the code doesn’t exist, Variable is not assigned to any value, Property does not exist.
Unshift method is like the push method, which works at the beginning of the array. This method is used to prepend one or more elements to the beginning of the array.
10 . What is event bubbling?