jQuery判断数组中是否包含某个元素$.inArray(js, arr);
http://blog.csdn.net/majian_1987/article/details/8586766
var arr = [ “xml”, “html”, “css”, “js” ];
$.inArray(“js”, arr); //返回 3,
如果不包含在数组中,则返回 -1;
http://blog.csdn.net/majian_1987/article/details/8586766
var arr = [ “xml”, “html”, “css”, “js” ];
$.inArray(“js”, arr); //返回 3,
如果不包含在数组中,则返回 -1;