- what is ajax
- A web development technology for creating interactive web applications (Asynchronous Javascript And XML)---->(Asynchronous Javascript and XML)
- Features of ajax
- Asynchronous processing, does not affect the sequential execution of the page
- Function callback, which can manipulate the DOM
- Advantages of ajax
- Partial refresh to improve user experience
- Reduce latency, interact in real time
- The principle of ajax
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1-1 First acquaintance with ajax
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