Javascript Faqs Archives

To write comments in Javascript, use the symbols // and /**/. Comments are useful to explain the workings of codes. …

To create confirm dialog box in Javascript, use the confirm() and pass the text to display on the box. It …

To filter an array in JavaScript, use the filter() function and pass the condition to filter out the array. The …

To get an element by class name in JavaScript, use the document.getElementsByClassName() method that returns an array-like object of all …

To check if array contains value in Javascript, use the includes() function and pass the value as its argument. You …

To call a function on button click in javascript, you can use the onclick attribute and pass the function name …

To remove an item from an array in javascript, use the splice() function with indexOf(). It first finds the index …

To remove multiple elements from an array in javascript, use the for loop with splice() function. The multiple elements can …

To remove the first element from the array in JavaScript, use the shift() function without the need to pass any …

To show a delete confirmation message in an alert box, use the confirm() function of Javascript inside the onclick attribute. …

To remove specific element from an array in Javascript, you can use the splice() function with its argument as the …

To remove item from array by index in javascript, use the array.splice() function and pass two arguments to perform this …

Sometime in web development, you may want to allow users change the value in indian and international format. It can …

If you want to allow users to allow preference for dark and light mode, you can use the below given …