Jquery is a structure that simplifies your life in modifying content through its funcitons, selectors.In instead of writing huge javascript lines. You can make your life easier with jQuery.
To check the result of your code.
You can use the handset.
Install the phonegap plugin using eclipse. Create a new project through the gap in the phone. Paste your code in index.html. Then create the code according to your choice of mobile platform. Then u can debug / run the code using Android simulators or deploy it by phone.
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