document.write(myyear+"年"+mymonth+"月"+myDate+"日 "+weekday[mynum]+"--"+"班級(jí)總分為:"+Math.round(cont/sco.length));
2020-06-27
var scoreStr = "小明:87;小花:81;小紅:97;小天:76;小張:74;小小:94;小西:90;小伍:76;小迪:64;小曼:76";
var sco=scoreStr.split(";");
var cont = 0;
for(i = 0;i<sco.length;i++){
var score = sco[i].indexOf(':');
cont += parseInt(sco[i].substr(score+1,2));
};
var sco=scoreStr.split(";");
var cont = 0;
for(i = 0;i<sco.length;i++){
var score = sco[i].indexOf(':');
cont += parseInt(sco[i].substr(score+1,2));
};
2020-06-27
留下記錄
var today=new Date();
var weekday=["星期日","星期一","星期二","星期三","星期四","星期五","星期六"];
var mynum=today.getDay();
var myyear=today.getFullYear();
var mymonth=today.getMonth()+1;
var myDate=today.getDate();
var today=new Date();
var weekday=["星期日","星期一","星期二","星期三","星期四","星期五","星期六"];
var mynum=today.getDay();
var myyear=today.getFullYear();
var mymonth=today.getMonth()+1;
var myDate=today.getDate();
2020-06-27
剛發(fā)現(xiàn)id是element單數(shù),其余的是elements復(fù)數(shù),帶s?。?!
2020-06-26
function func(x,y)
{
return x>=y? x:y;
}
document.write(" 5 和 4 的較大值是:"+func(5,4) + "<br>");
document.write(" 6 和 3 的較大值是:"+func(6,3));
{
return x>=y? x:y;
}
document.write(" 5 和 4 的較大值是:"+func(5,4) + "<br>");
document.write(" 6 和 3 的較大值是:"+func(6,3));
2020-06-24
@love_蘋
為什么一個(gè)等號(hào)也可以?
一個(gè)等號(hào)是賦值的意思,結(jié)果為true,判定為真所以就執(zhí)行了。
為什么一個(gè)等號(hào)也可以?
一個(gè)等號(hào)是賦值的意思,結(jié)果為true,判定為真所以就執(zhí)行了。
2020-06-24
slice(3,5)取分?jǐn)?shù)有問題吧?萬(wàn)一某同學(xué)考了個(gè)位數(shù)或100分呢?
2020-06-23
unction getNumber(){
var a = prompt("請(qǐng)輸入一個(gè)整數(shù)");
var b = prompt("請(qǐng)?jiān)佥斎胍粋€(gè)整數(shù)");
document.write( a+ "和" +b +"的較大值是:"+comp(a,b)+"<br>");
}
//定義函數(shù)
function comp(x,y)
{
return (x>y||x==y)?x:y;
}
var a = prompt("請(qǐng)輸入一個(gè)整數(shù)");
var b = prompt("請(qǐng)?jiān)佥斎胍粋€(gè)整數(shù)");
document.write( a+ "和" +b +"的較大值是:"+comp(a,b)+"<br>");
}
//定義函數(shù)
function comp(x,y)
{
return (x>y||x==y)?x:y;
}
2020-06-23
function getNumber(){
var a = prompt("請(qǐng)輸入一個(gè)整數(shù)");
var b = prompt("請(qǐng)?jiān)佥斎胍粋€(gè)整數(shù)");
document.write( a+ "和" +b +"的較大值是:"+comp(a,b)+"<br>");
}
//定義函數(shù)
function comp(x,y)
{
return (x>y&x==y)?x:y;
}
var a = prompt("請(qǐng)輸入一個(gè)整數(shù)");
var b = prompt("請(qǐng)?jiān)佥斎胍粋€(gè)整數(shù)");
document.write( a+ "和" +b +"的較大值是:"+comp(a,b)+"<br>");
}
//定義函數(shù)
function comp(x,y)
{
return (x>y&x==y)?x:y;
}
2020-06-23
感覺有點(diǎn)怪,總感覺myarr1.concat()是對(duì)myarr1進(jìn)行操作,會(huì)改變myarr1的值,但其實(shí)沒有
2020-06-22