In this tutorial, you will learn how to get last element in array in javascript. We use the push() method whenever we want to add an element to an array. This method always appends an element at the end of the array. As you keep adding more elements to an array, it becomes extremely hard
In this tutorial, you will learn how to add option to select tag from input text using javascript. As you know, if you want to create a dropdown list then the select element is your best choice. You can add as many as options you want to the select element. Things get a little bit
In this tutorial, you will learn how to detect ctrl+v in javascript. Whenever a user wants to paste something in the input field, he can either use the context menu by doing right click on the webpage or press CTRL and V keys simultaneously on their keyboard. Any user interaction on a webpage using keyboard
In this tutorial, you will learn how to find duplicate elements in array in javascript. It is common for an array to have duplicate elements because there is no built-in filter in arrays to avoid such a thing from happening. There are various methods to get only duplicate elements from an array. We are going
In this tutorial, you will learn how to increment and decrement counter on button click in javascript. As you already know, increment means adding a certain number to an existing number and decrement means subtracting a certain number from an existing number. For the sake of simplicity, we are going to increment and decrement by
