where we use javascript and for which purpose we use
javascript how?

Answer Posted / lucky

JavaScript is a scripting langugae.scripting language means light weight progrmaming language.
JavaScript is a client side scripting language.
Mainly JavaScripts are used to validate data in the browser.It validate the data before submitted to the server.
javaScript saves the server extra processing.
javaScript is used to create dynamic cookies.The temporary files will be stored in the browser.
Every browser supports JavaScripts.
JavaScript can put dynamic text into an HTML page.

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