摘要:
错误示例: for (var i = 0; i < 6; i++) { // var unique = seqer.gensym(); var unique = i + '123'; document.writeln(unique[i] + ","); };输出结果为:0, 1, 2, 3, undefined, undefined,正确示例: for (var i = 0; i < 6; i++) { // var unique = seqer.gensym(); var unique = i + '12... 阅读全文