我正在使用jquery autogrow插件,它会根据文本需要自动扩展文本的高度。问题是,每按一下键,textarea的底部边框就会以明显的方式抖动。我不确定问题可能是什么,所以我要走出去,在这里发布这个GPL插件的132行。问题所在的任何提示或如何规避它?
/*
Auto Expanding Text Area (1.2.2) by Chrys Bader */
(function(jQuery) {
var self = null;
jQuery.fn.autogrow = function(o){
return this.each(function() {
new jQuery.autogrow(this, o);
});
};
/**
* The autogrow object.
*
* @constructor
* @name jQuery.autogrow
* @param Object e The textarea to create the autogrow for.
* @param Hash o A set of key/value pairs to set as configuration properties.
* @cat Plugins/autogrow
*/
jQuery.autogrow = function (e, o) {
this.options = o || {};
this.dummy = null;
this.interval = null;
this.line_height = this.options.lineHeight || parseInt(jQuery(e).css('line-height'));
this.min_height = this.options.minHeight || parseInt(jQuery(e).css('min-height'));
this.max_height = this.options.maxHeight || parseInt(jQuery(e).css('max-height'));;
this.textarea = jQuery(e);
if(this.line_height == NaN) this.line_height = 0;
// Only one textarea activated at a time, the one being used
this.init();
};
jQuery.autogrow.fn = jQuery.autogrow.prototype = { autogrow: '1.2.2' };
jQuery.autogrow.fn.extend = jQuery.autogrow.extend = jQuery.extend;
jQuery.autogrow.fn.extend({ init: function(){
var self = this;
this.textarea.css({overflow: 'hidden', display: 'block'});
this.textarea.bind('focus', function(){ self.startExpand() }).bind('blur', function() { self.stopExpand() });
this.checkExpand();
},
startExpand: function() {
var self = this;
this.interval = window.setInterval(function() { self.checkExpand()}, 400); },
stopExpand: function() { clearInterval(this.interval); },
checkExpand: function() {
if (this.dummy == null) {
this.dummy = jQuery('<div></div>');
this.dummy.css({
'font-size' : this.textarea.css('font-size'),
'font-family': this.textarea.css('font-family'),
'width' : this.textarea.css('width'),
'padding' : this.textarea.css('padding'),
'line-height': this.line_height + 'px',
'overflow-x' : 'hidden',
'position' : 'absolute',
'top' : 0,
'left' : -9999
}).appendTo('body');
}
// Strip HTML tags
var html = this.textarea.val().replace(/(<|>)/g,'');
// IE is different, as per usual
if ($.browser.msie){
html = html.replace(/\n/g, '<BR>new');
} else {
html = html.replace(/\n/g, '<br>new');
}
if (this.dummy.html() != html){
this.dummy.html(html);
if (this.max_height > 0 && (this.dummy.height() + this.line_height > this.max_height)){
this.textarea.css('overflow-y', 'auto');
} else {
this.textarea.css('overflow-y', 'hidden');
if (this.textarea.height() < this.dummy.height() + this.line_height || (this.dummy.height() < this.textarea.height())) {
this.textarea.animate({height: (this.dummy.height() + this.line_height) + 'px'}, 100);
}
}
}
}
});
})(jQuery);
答案 0 :(得分:1)
关于jeerose的评论:
http://www.aclevercookie.com/aclevercookiecom-breached-problem-resolved/
它引起了我的注意 访客认为他们的病毒保护 当他们来到这个博客时,他们会离开。 我调查了这件事,发现了 注入了有害代码 进入网站的源头。
这已经解决并采取了措施 已被采取增加 网站的安全性。
感谢您的举报,我向您道歉 警报。
这似乎不是真的。由于我的防病毒程序在打开该网站时仍然会触发