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&lt;input type=&quot;text&quot; onfocus=&quot;this.value='H';&quot; onblur=&quot;this.value='no value';&quot;&gt;<br />

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whoops... &nbsp;sorry pravinasar
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I have a textinput were I need to change value if clicked on or selected. Normal state is novalue and if selected the value changes to &quot;H&quot; and if the textbox id selected again it should go back to normal state &quot;no value&quot; 
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I have a textinput were I need to change value if clicked on or selected. Normal state is novalue and if selected the value changes to "H" and if the textbox id selected again it should go back to normal state "no value" 

Javascript change value of textbox on click (select)

Web development includes all aspects of presenting content on intranets and the Internet, including delivery development, protocols, languages and standards, server software, browser clients, databases and multimedia generation.

Web Development

JavaScript is a dynamic, object-based language commonly used for client-side scripting in web browsers. Recently, server side JavaScript frameworks have also emerged. JavaScript runs on nearly every operating system and  in almost every mainstream web browser.

JavaScript

A scripting language is a programming language that supports scripts, programs written for a special run-time environment that automate the execution of tasks that could alternatively be executed one-by-one by a human operator. Scripting languages are often interpreted (rather than compiled). Primitives are usually the elementary tasks or API calls, and the language allows them to be combined into more complex programs. Environments that can be automated through scripting include software applications, web pages within a web browser, the shells of operating systems (OS), embedded systems, as well as numerous games. A scripting language can be viewed as a domain-specific language for a particular environment; in the case of scripting an application, this is also known as an extension language.