3 回答document.write(mystr+mychar+munum);

2 回答<script type="text/javascript"> var mystr="我是"; var mychar="JavaScript"; document.write(mystr+"<br />"); document.write(mystr+mychar+"的忠實(shí)粉絲"); </script>

1 回答document.write(mychar);

5 回答var mychar 和 var mystr有什么區(qū)別？

2 回答document.write("結(jié)果:"+mychar);