jQuery文本框宽度随着输入内容而自动变化代码

js代码

<script src="js/jquery.auto-grow-input.js"></script>
<script>
	$(function(){
		$('#demo-input').autoGrowInput({ minWidth: 180, maxWidth: function(){ return $('#demo-input-container').width()-40; }, comfortZone: 40 });
	});
	$(window).resize(function(){ $('#demo-input').trigger('autogrow'); });
</script>