それを行う方法を見つけました。誰か同じ質問があれば投稿します。
$('div.ui-input-search').delegate("input", "keyup",
function(e) {
var code = (e.keyCode ? e.keyCode : e.which);
if (code != 8) {
//Any key other that backspace clicked
var text = $(this).val();
if (text.length == 1) {
//Just Started Typing
}
}
}
);
$('div.ui-input-search').delegate("input", "keydown",
function(e) {
var code = (e.keyCode ? e.keyCode : e.which);
if (code == 8) {
// BackSpace is clicked.
var remainingText = $(this).val();
if (remainingText.length == 1) {
//Cleared all characteres
}
}
// console.log(code+'\n\n\n');
// var remainingText = $(this).val();
// console.log(remainingText);
}
);