JavaScript jQuery样式选择框

Posted 2021-05-20

(function($){
 $.fn.extend({
 
 	customStyle : function(options) {
	  if(!$.browser.msie || ($.browser.msie&&$.browser.version>6)){
	  return this.each(function() {
	  
			var currentSelected = $(this).find(':selected');
			$(this).after('<span class="customStyleSelectBox"><span class="customStyleSelectBoxInner">'+currentSelected.text()+'</span></span>').css({position:'absolute', opacity:0,fontSize:$(this).next().css('font-size')});
			var selectBoxSpan = $(this).next();
			var selectBoxWidth = parseInt($(this).width()) - parseInt(selectBoxSpan.css('padding-left')) -parseInt(selectBoxSpan.css('padding-right'));			
			var selectBoxSpanInner = selectBoxSpan.find(':first-child');
			selectBoxSpan.css({display:'inline-block'});
			selectBoxSpanInner.css({width:selectBoxWidth, display:'inline-block'});
			var selectBoxHeight = parseInt(selectBoxSpan.height()) + parseInt(selectBoxSpan.css('padding-top')) + parseInt(selectBoxSpan.css('padding-bottom'));
			$(this).height(selectBoxHeight).change(function(){
				selectBoxSpanInner.text($(this).val()).parent().addClass('changed');
			});
			
	  });
	  }
	}
 });
})(jQuery);


$(function(){

$('select.jumpdrop').customStyle();

});