- (function($){
- $.fn.autoTextarea = function(options) {
- var defaults={
- maxHeight:null,
- minHeight:$(this).height()
- };
- var opts = $.extend({},defaults,options);
- return $(this).each(function() {
- $(this).bind("paste cut keydown keyup focus blur",function(){
- var height,style=this.style;
- this.style.height = opts.minHeight + 'px';
- if (this.scrollHeight > opts.minHeight) {
- if (opts.maxHeight && this.scrollHeight > opts.maxHeight) {
- height = opts.maxHeight;
- style.overflowY = 'scroll';
- } else {
- height = this.scrollHeight;
- style.overflowY = 'hidden';
- }
- style.height = height + 'px';
- }
- });
- });
- };
- })(jQuery);
- //该片段来自于http://www.codesnippet.cn/detail/2309201410510.html
来源: http://www.codesnippet.cn/detail/2309201410510.html