Php uses iframe to partially refresh iframe to refresh iframesrc to obtain elements in iframe

Iframe: php implements partial refresh through iframe: the reg.htmlreg.html page contains an iframe tag, and requests php to check whether the user name is available through iframe. Iframe: & lt; inputtypetextidunam reg.html
The reg.html page contains an iframe tag that uses iframe to request php to check whether the user name is available.

  
   Iframe local refresh
   
    
User name:
    
    
     
      
        // When the user name input box loses focus, the iframe request check_reg.php document. getElementById ('uname'). onblur = function () {if (this. value! = '') {Document. getElementById ('myiframe'). src = 'check _ reg. php? Username = '+ this. value ;}}
      
     
    
   
  

Check_reg.php

'). AddClass ('pre-numbering '). hide (); $ (this ). addClass ('Has-numbering '). parent (). append ($ numbering); for (I = 1; I <= lines; I ++) {$ numbering. append ($ ('

'). Text (I) ;}; $ numbering. fadeIn (1700) ;}) ;}; script

The above describes how to use iframe to implement partial refresh in php, including iframe, and hope to help those who are interested in PHP tutorials.