【发布时间】：2016-02-08 01:36:51
【问题描述】：
您好，我目前遇到的问题是我的网页没有加载两个警告对话框，当我注释掉第二个框及其代码行时，网页可以正常工作，但添加第二个框会导致整个页面无法正常工作。
<!DOCTYPE html>
<!--Jason Guerrier 2-7-16-->
<html>
<head>
<title> Jason Guerrier </title>
</head>
<body>
<script>
var userAge = 0;
var value1 = 0;
var value2 = 0;
var add = 0;
var sub = 0;
var mul = 0;
var div = 0;
var mod = 0;
var equ;
var notEqu;
var greTha;
var greThanEqu;
var lesTha;
var lesThaEqu;
var equEqu;
var notEquEqu;
userAge = prompt("Enter your age.");
if(userAge >= 18)
{
alert("You are old enough to vote");
}
else
{
alert("Unfortunately you are not old enough to vote");
}
value1 = prompt("Enter a whole number");
value2 = prompt("Enter a second whole number");
add = parseFloat(value1) + parseFloat(value2);
sub = value1 - value2;
mul = value1 * value2;
div = value1 / value2;
mod = value1 % value2;
alert("Result of value 1 + value 2 = " + add +
'\n' + "Result of value 1 - value 2 = " + sub + '\n'
+ "Result of value 1 * value 2 = " + mul + '\n' +
"Result of value 1 / value 2 = " + div + '\n' +
"Result of value 1 % value 2 = " + mod);
equ = value1 == value2;
notEqu = value1 != value2;
greTha = value1 > value2;
greThanEqu = value1 >= value2;
lesTha = value1 < value2;
lesThaEqu = value1 <= value2;
equEqu = value1 === value2;
notEquEqu = value1 !== value2;
alert("Result of value 1 == value 2 = " + equ +
'\n' + "Result of value 1 != value 2 = " + notEqu + '\n'
+ "Result of value 1 > value 2 = " + greTha + '\n' +
"Result of value 1 >= value 2 = " + greThanEqu + '\n' +
"Result of value 1 < value 2 = " + lesTha + '\n'
"Result of value 1 <= value 2 = " + lesThaEqu + '\n' +
"Result of value 1 === value 2 = " + equEqu + '\n' +
"Result of value 1 !== value 2 = " + notEquEqu);
</script>
</body>
</html>
【问题讨论】：
-
在
"Result of value 1 < value 2 = " + lesTha + '\n'之后缺少+ -
编码时使用开发者控制台。
标签： javascript html dialog