abstract:模仿新浪微博
function show(){
var tarea=document.getElementById("weiboTextArea");
var maxlength=140;
var length=tarea.value.length;
var count=maxlength-length;
var sp=document.getElementById("sp");
sp.innerHTML=count;
if(count<=25){
sp.style.color="red";
}else{
sp.removeAttribute("style");
}
}
Correcting teacher:西门大官人Correction time:2019-02-24 11:27:15
Teacher's summary:怎么和上一篇作业是一样的????,作业写重复了还是其他原因??