jQuery+AJAX+PHP+MySQL develops search function without jump or refresh

This article mainly introduces the function of jQuery AJAX PHP MySQL development search without jump and refresh. It has certain reference value. Now I share it with everyone. Friends in need can refer to it

Knowledge points : ajax submits the form, php queries the database, php returns the json array, and javascript traverses and outputs the json array

Demonstration:

1. When no keywords are entered in the form," is returned Please enter keywords..."

#2. When the keyword query entered in the form fails,"No results"## will be returned.

nbsp;html>        
 

##Database name: test

Fields: id, title, url
Field analysis:
id - self-increment ID
title - title
url - page link

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