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老师批语：
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>JavaScript作业</title>
</head>
<body>
<script>
// 100以内的奇数全部换行显示输出在页面上
var a = 0;
while (a < 100){
if(a % 2 == 1){
// document.write(a + "<br>");
document.write(a + ',');
}
a++;
}
// 输出一个换行br
document.write( "<br>");
// 用对象字面量描述一款手机
var phone = {
model:'iphone X Max',
soc:'A12',
camera:'12.0 MP',
storage:'256G',
system:'ios',
color:'red'
}
document.write('model:' + phone.model + "<br>");
document.write('soc:' + phone.soc + "<br>");
document.write('camera:' + phone.camera + "<br>");
document.write('storage:' + phone.storage + "<br>");
document.write('system:' + phone.system + "<br>");
document.write('color:' + phone.color + "<br>");
// 输出一个换行br
document.write( "<br>");
// var x = 50;
// var y = 38;
// var z = 18;
// 用函数球三个值的和
var sum = function (x,y,z){return x + y + z};
document.write(sum(50, 38, 18));
</script>
</body>
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