我有单选按钮,根据选择哪个单选按钮提醒不同的号码。当更改变量值时出现“警报”错误
var radioButtons = document.querySelectorAll('input[type=radio]');
var chanceoflive1 = 0;
var user;
function choose(choice){
user = choice;
}
function changechanceoflive1(){
if (user == 'bricks') {
chanceoflive1 = 1;
}
else if (user == 'wood') {
chanceoflive1 =3
}
else if (user == 'stone') {
chanceoflive1 = 2
}
alert(chanceoflive1);
}
<div id="radiobuttons" class="container" name="buttons" align=center>
<h2>I Want my Building to be Made of:</h2>
<ul>
<li>
<input type="radio" id="brick-option" name="material" value="1" onClick="choose('bricks')" checked="checked">
<label for="brick-option">Bricks</label>
<div class="check"></div>
</li>
<li>
<input type="radio" id="wood-option" name="material" value="3" onClick="choose('wood')">
<label for="wood-option">Wood</label>
<div class="check">
<div class="inside"></div>
</div>
</li>
<li>
<input type="radio" id="stone-option" name="material" value="2" onClick="choose('stone')">
<label for="stone-option">Stone</label>
<div class="check">
<div class="inside"></div>
</div>
</li>
</ul>
</div>
<form action="chooseheight.html">
<div class="wrapper">
<button class="button" onClick="changechanceoflive1()" align=center>Submit</button>
</div>
</form>
当我点击的木材,它提醒3,这是完美的。当我点击石头时,它会提醒2,这很棒。虽然,当我点击砖块时,它会提醒0.为什么?
因为它是在一个点击事件的初始值,即使第一个单选按钮最初选择它从未被点击所以它会显示'0'直到你真的点击它来选择它。 –
你为什么不使用价值并获得被选中的广播? – epascarello