$('#xxx_id').unbind('click').bind('click', function() {
console.log($(this));
});
获取监听的文本属性
$('#xxx_id').unbind('change').bind('change', function() {
if(this.options.length > 0){
host_option_name = '';
console.log(this.options);
console.log(this.options.selectedIndex);
console.log(this.options[this.selectedIndex]);
console.log(this.options[this.selectedIndex].text);
text_str = this.options[this.selectedIndex].text;
}
});