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分享guess= +guess什么意思？？
function guessNumber(number) {
guess = prompt( "Guess a number between 1 and 100");
guess = +guess;
if (guess===number) {
return console.log("You got it! The number was " + number);
}
guessNumber(number);
}
guessNumber(5) ;
guess= +guess什么意思？？
guess = prompt( "Guess a number between 1 and 100");
guess = +guess;
if (guess===number) {
return console.log("You got it! The number was " + number);
}
guessNumber(number);
}
guessNumber(5) ;
guess= +guess什么意思？？
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hch126163 2012-04-22
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[Quote=引用 1 楼 的回复:]
把guess转换成number类型
[/Quote]
++
string 转 number
把guess转换成number类型
[/Quote]
++
string 转 number
Acesidonu 2012-04-22
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guess原来的类型是字符串
guess = prompt( "Guess a number between 1 and 100");
alert(typeof guess);
guess = +guess;
alert(typeof guess);
guess = prompt( "Guess a number between 1 and 100");
alert(typeof guess);
guess = +guess;
alert(typeof guess);
goodwithcode 2012-04-22
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[Quote=引用 1 楼 的回复:]
把guess转换成number类型
[/Quote]
guess原来的类型是什么样的啊
把guess转换成number类型
[/Quote]
guess原来的类型是什么样的啊
Acesidonu 2012-04-22
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把guess转换成number类型
x269147836 2012-04-22
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同觉得是类型转换～= =
mizuho_2006 2012-04-22
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一元加法（+10）对数字无影响，会把字符串转化为数字
