You can use to add dynamic features to a webpage such as search box that completes your search text automatically.

JavaScript

Explanation:

JavaScript is one of the simplest programming languages which makes the page dynamic and user interactive. It is a command based programming language that is a part of DHTML (Dynamic hypertext markup language ). The dynamic web page can be modified and its values can be changed.

JavaScript allows users to enter the value and provide the result at the same time and very fast.

JavaScript can be used online or offline too.

JavaScript provided much functionality such as when a customer searches anything, it completes the search automatically.

a macro is a tool that allows you to automate tasks and add functionality to your forms, reports, and controls. for example, if you add a command button to a form, you associate the button's onclick event to a macro, and the macro contains the commands that you want the button to perform each time it is clicked.

it most likely is charging, however when using a hot spot, it drains straight through battery life.