摘要:
一. 选择元素id选择器,示例为:1 // Selecting elements by ID2 $("#myId"); // note IDs must be unique per page类名选择器,示例为:1 // Selecting elements by class name2 $(".myClass");属性选择器,示例为:1 // Selecting elements by attribute2 $("input[name='first_name']"); // beware, this can be ve 阅读全文