gistfile1.js

var _new_id = 0;
	// check only code
	var currentTimer = 0;
	var _code = '';
	checkIt = function(){
		if(_code == ''){
			$('#check_result').html('代碼不可為空白');
		}else{
			$('#waiting').show();
			$.post(_page_url+"/check_code", { code:  _code},
				function(data){
	            	$('#waiting').hide();
					if(data['result']) {
						$('#check_result').html('代碼可使用');
					}else{
						$('#check_result').html('代碼已存在');
					}
	            }, "json");
		}
	}
	$('#check_code').on('keyup', function(){
		_code = $(this).val();
		clearTimeout(currentTimer);
		currentTimer = setTimeout("checkIt()", 800);
	});