abstract:var a='php中文网';var b=Null;var c=undefined;var d=4;var e=5;var f=d%e;document.write(a+f);
var a='php中文网';
var b=Null;
var c=undefined;
var d=4;
var e=5;
var f=d%e;
document.write(a+f);
Correcting teacher:查无此人Correction time:2019-06-19 09:23:34
Teacher's summary:完成的不错。刚接触编程,理解起来比较辛苦。要坚持,继续加油。