Jquery+php the method of obtaining and responding to text box input in real time _jquery

This article illustrates the method of jquery+php real-time acquisition and response to text box input. Share to everyone for your reference, specific as follows:

The program can identify available balances:

HTML section:

<input type= "text" name= "username" id= "username" onkeyup= 
"Search_func (this.value);"/> <em
" Mfee "></em>

jquery section:

function Search_func (value) {
 $.post ("/xxx.php", {q: "Action/cash_news", username:value},function (result) {
    var r = "Available Amount" +result+ "Yuan";
    $ ("#mfee"). HTML (r);
    $ ("#moneyss"). Val (result);}
  );

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I hope this article will help you with the jquery program design.