Bootstrap 5 accordion example

Bootstrap accordion provides easy way to handle a informative webpage that includes lots of paragraph. This includes documentation page, FAQ page etc. This way user can only see the content that need...

How to Generate a Timestamp in JavaScript

Use the Date.now() Method You can simply use the JavaScript Date.now() method to generate the UTC timestamp in milliseconds (which is the number of milliseconds since midnight Jan 1, 1970...

How to check if a key exists in an array in PHP

Use the PHP array_key_exists() function You can use the PHP array_key_exists() function to test whether a given key or index exists in an array or not. This function returns&nbs...

How to Call Multiple JavaScript Functions in onClick Event

Use the addEventListener() Method If you want to call or execute multiple functions in a single click event of a button, you can use the JavaScript addEventListener() method, as shown in...

How to Add New Elements at the Beginning of an Array in JavaScript

Use the unshift() Method You can use the unshift() method to easily add new elements or values at the beginning of an array in JavaScript. This method is a counterpart of the push()&...