WaterMark in ASP.Net TextBox Multiline TextBox TextArea using JavaScript

Basically developers use watermark textbox to give a small hint to the user to input valid or meaningfull data. We found a lot of way to watermark a TextBox using Javascript but in this article or tutorial i will explain a very simple and easy way to implement watermark in textbox / textarea / multiline TextBox. A sample output is given below:


The main javascript method to implement watermark