In ie9 form submit errror

[zhailei31665431]

 iFrame.off().on("load", $.proxy(function() {
    console.log('xxxxxxxxxxxx');
    // Get the response from the server in plain text
    this.readIframe(uniqueId, iFrame);
}, this));

Not run readframe,,,,,load not Trigger

use iFrame[0].onload = function(){
//code
} ok