Ajax in jquery call to complete the front of the user elite test

1. Requirements: The front of the input box input name, when the mouse left the input box, the system will query this value and verify, and then return the user name can be used information

2. Implementation method: The input box has a lost focus event, when the focus is lost, call the Get method and return the data, and then pass the data through the. Html method to assign to a span tag inside the input box, the code is as follows:

$ (document). The Ready (function () {
///input box loses focus is the function that fires after
    $ ("#username"). blur (function () {
    //in
    //$ ("# Username "). Load (" ${pagecontext.request.contextpath}/user_findbyname.action?time= "+new Date (). GetTime () +" & Username= "+username,function () {
    $.get (" ${pagecontext.request.contextpath}/user_findbyname.action?time= "+ New Date (). GetTime () + "&username=" +username,function (data,status) {

        $ ("#span1"). HTML (data);})
})

3. Background implementation: Get connection inside will jump to a user_findbyname action,username