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What is javascript and how can you add javascript file in a webpage?
Wiki User
∙ 11y ago
Primarily JavaScript is a client-side script which serves as a useful tool to
- Pass asynchronous data by use of AJAX (in other words you need not refresh/redirect page each and every time to get new data)
- Performs client-side validation (so data is processed before going to the server)
- It serves as an alternative to adobe technologies like flash and shockwave files as it can do image-manipulation, data transition and also animation by use of jquery
- JSON is a light-weight alternative to XML which can be used to transfer data between different technologies (For eg. Two modules of the same website/project can use different technologies say .NET/PHP )
These are the important use I know, others may exist which I am not aware of. You can add Javascript in two ways described below:
- Internal Calling (Not Recommended)
- External Calling (Recommended)
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