JavaScript Tutorial

How to delete some element from the set (delete method) Now, we have seen how can we add some elements to the set. But if you want to delete some element from the set, how are we going to do that? Well, again we have a method for that. The method that we are going […]

Getting the size of the set (size property) Now, if we want to know the size of the set, which means how many elements are there in our set, then we can make use of the size property. Have a look at the below program, where we are trying to use the size property –

Checking if the set has the specified element (has method) If we are required to check, whether or not the specified element is there in the set, or we can say it in another way, that whether or not our set HAS this specified element, we can simply make use of the has method. JavaScript

Adding some values to the set We have created the set now, and it is very easy. But now, we are more interested in adding some values to the set. We can do multiple things for this, and we are going to head towards it like we can give some iterable as input to the

Sets in Javascript In an array, we have seen that we can store multiple values together, using the arrays. But those multiple values can be duplicated as well, which means that we are allowed to have duplicate values in our arrays. But, if we do not want duplicate values, in short, if we want to

JavaScript Slice Method At times, we might require to have some of the elements from the array, as another array. In such situations, we can make use of the slice method. This method slices the array into a new array. The slice method requires some data, like the start position, and the end position and

Javascript Unshift Method With the unshift method, we are going to add new elements to the beginning of the array. This is pretty much straightforward, and the method is easy to use. We just need to give the elements that are to be added at the beginning of the array, and those elements are added

Javascript Array Shift Method When we are using the pop method, the last element of the array is removed and returned. But if we want to remove the first element instead, we can make use of the shift method. So, this shifting method helps us remove the first element from the array, and it returns

Javascript Array Push When we use the pop method, we are removing the last element from the array, and when we are using the push method, we are pushing some elements to the end of the array. So, a new element is added to the array, at the end, and the length of the array

Javascript Array pop Method At times, we might require to remove the last element from the array. In such situations, we directly have the pop method, which helps us remove the last element from the array, and returns the removed element as well. We are now going to have a look at an example, through