Nili
var infos = [['小A','女',21,'大一'],['小B','男',23,'大三'],['小C','男',24,'大四'],['小D','女',21,'大一'],['小pppp','男',21,'大一'],['小9999','女',21,'大一'],['ioooo','女',21,'大一']]
for(let i=0;i<infos.length;i++){
if(infos[i].includes('大一')&&infos[i].includes('女')){
console.log(infos[i][0])
}
}
var infos = [['小A','女',21,'大一'],['小B','男',23,'大三'],['小C','男',24,'大四'],['小D','女',21,'大一'],['小pppp','男',21,'大一'],['小9999','女',21,'大一'],['ioooo','女',21,'大一']]
for(let i=0;i<infos.length;i++){
if(infos[i].includes('大一')&&infos[i].includes('女')){
console.log(infos[i][0])
}
}
2021-09-02
<script type="text/javascript">
function replaceMessage(){
var newnode=document.createElement("i");
var old=document.getElementById("oldnode");
newnode.innerText = old.innerText;
oldnode.parentNode.replaceChild (newnode,old) ;
}
</script>
function replaceMessage(){
var newnode=document.createElement("i");
var old=document.getElementById("oldnode");
newnode.innerText = old.innerText;
oldnode.parentNode.replaceChild (newnode,old) ;
}
</script>
2021-07-01
document.write(mydate.getFullYear()+"年"+mydate.getMonth()+"月"+mydate.getDay()+"日"+" "+myarray[mydate.getDay()]+"--班级总分为:");
var arry1= scoreStr.split(";");
var num =0;
for(var i=0;i<arry1.length;i++){
num+=Number(arry1[i].split(":")[1]);
}
document.write(Math.round(num/10));
var arry1= scoreStr.split(";");
var num =0;
for(var i=0;i<arry1.length;i++){
num+=Number(arry1[i].split(":")[1]);
}
document.write(Math.round(num/10));
//第一次筛选,找出都是大一的信息
var newArr = [];
for(var i = 0;i<infos.length;i++){
if(infos[i][3] == "大一"){
newArr.push(infos[i]);
}
}
//第二次筛选,找出都是女生的信息
for(var j = 0;j<=newArr.length;j++){
if(newArr[j][1] == "女"){
document.write(newArr[j][0]+"<br>")
}
}
var newArr = [];
for(var i = 0;i<infos.length;i++){
if(infos[i][3] == "大一"){
newArr.push(infos[i]);
}
}
//第二次筛选,找出都是女生的信息
for(var j = 0;j<=newArr.length;j++){
if(newArr[j][1] == "女"){
document.write(newArr[j][0]+"<br>")
}
}