jQuery Basics I

jQuery Features 

  • What is and Why jQuery? 
  • $(..) or jQuery(..) returns jQuery object 
  • Various forms of $(..) 
  • HTML element selections 
  • HTML element manipulation 
  • CSS manipulation 
  • HTML event functions 
  • JavaScript Effects and animations 
  • Data 
  • Collection manipulation

What is and Why jQuery?

What is jQuery? 

  • jQuery is the most popular JavaScript library 
  • Light-weight 
  • Easy, fast, and flexible HTML DOM selection 
  • Built to work all 'modern” browsers (IE6+, FF 2.0+, Safari 3.0+, Opera 9+, Chrome 1.0+) 
  • Open source

Why jQuery? 

  • Easy to use 
  • Hides browser incompatibility 
  • Easily extensible through plugins 
  • Thousands of ready-to-use plugins 
  • Well documented (http://docs.jquery.com)
  • Very active developer community 
  • Works with other libraries

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