更新全局变量的JavaScript
我目前在Javascript方面不是最有经验的,我正在努力一点一点地学习。无论如何如何更有效地更新平衡变量 目前我认为我做错了。此外,我的按钮在单击事件上不起作用 任何事都能帮上大忙!多谢各位更新全局变量的JavaScript,javascript,html,variables,global,updating,Javascript,Html,Variables,Global,Updating,我目前在Javascript方面不是最有经验的,我正在努力一点一点地学习。无论如何如何更有效地更新平衡变量 目前我认为我做错了。此外,我的按钮在单击事件上不起作用 任何事都能帮上大忙!多谢各位 // Set global variables var name; var balance; var weed; // Ask the user his name for his character name = window.prompt("What is your name?", "Cap'n Gr
// Set global variables
var name;
var balance;
var weed;
// Ask the user his name for his character
name = window.prompt("What is your name?", "Cap'n Grow");
var finalName = document.getElementById('name');
finalName.textContent = name;
// Set the balance to default
balance = 100;
var FinalBalance = document.getElementById('balance');
FinalBalance.textContent = balance;
// Set the balance of weed to default
weed = 10;
var FinalWeed = document.getElementById('gear');
FinalWeed.textContent = weed;
// Sell function
function sellGear() {
var check = window.prompt("Are you sure you want to sell 5 bags?", "Yes");
if (check === 'Yes' && weed >= 5) {
console.log("Transaction was successful!");
// Update the balance
var updBalance = document.getElementById('balance');
updBalance.textContent = balance + 150;
} else {
console.log("Failed!")
}
}
<!DOCTYPE html>
<html lang="en">
<head>
<title></title>
<link rel="stylesheet" href="css/normalize.css">
<link rel="stylesheet" href="css/style.css">
</head>
<body>
<div id="container">
<header>
<div class="dashboard">
<div id="name"></div>
<div id="balance"></div>
<div id="gear"></div>
<div id="sell">
<button id="sellButton" onlick="sellGear()">Sell?</button>
</div>
</div>
</header>
</div>
</body>
<script src="js/global.js"></script>
</html>
//设置全局变量
变量名;
var余额;
变种杂草;
//向用户询问其姓名以了解其角色
name=window.prompt(“你叫什么名字?”,“Cap'n Grow”);
var finalName=document.getElementById('name');
finalName.textContent=名称;
//将余额设置为默认值
余额=100;
var FinalBalance=document.getElementById(“余额”);
FinalBalance.textContent=余额;
//将杂草的余额设置为默认值
杂草=10;
var FinalWeed=document.getElementById('gear');
FinalWeed.textContent=杂草;
//销售功能
函数sellGear(){
var check=window.prompt(“您确定要卖5包吗?”,“是”);
如果(检查=='Yes'&&weed>=5){
log(“事务已成功!”);
//更新余额
var updBalance=document.getElementById('balance');
updBalance.textContent=余额+150;
}否则{
console.log(“失败!”)
}
}
卖
以下是解决方案和建议:
尝试在HTML的末尾使用java脚本代码
<html lang="en">
<head>
<title></title>
<link rel="stylesheet" href="css/normalize.css">
<link rel="stylesheet" href="css/style.css">
</head>
<body>
<div id="container">
<header>
<div class="dashboard">
<div id="name"></div>
<div id="balance"></div>
<div id="gear"></div>
<div id="sell">
<button id="sellButton" onclick="return sellGear();">Sell?</button>
</div>
</div>
</header>
</div>
</body>
<script src="js/global.js"></script>
</html>
<SCRIPT>
// Set global variables
var name;
var balance;
var weed;
// Ask the user his name for his character
var name = window.prompt("What is your name?", "Cap'n Grow");
var finalName = document.getElementById('name');
finalName.textContent = name;
// Set the balance to default
var balance = 100;
var FinalBalance = document.getElementById('balance');
FinalBalance.textContent = balance;
var weed = 10;
var FinalWeed = document.getElementById('gear');
FinalWeed.textContent = weed;
// Sell function
function sellGear() {
var check = window.prompt("Are you sure you want to sell 5 bags?", "Yes");
if (check === 'Yes' && weed >= 5) {
console.log("Transaction was successful!");
// Update the balance
var updBalance = document.getElementById('balance');
updBalance.textContent = balance + 150;
} else {
console.log("Failed!")
}
}
</SCRIPT>
卖
//设置全局变量
变量名;
var余额;
变种杂草;
//向用户询问其姓名以了解其角色
var name=window.prompt(“你叫什么名字?”,“Cap'n Grow”);
var finalName=document.getElementById('name');
finalName.textContent=名称;
//将余额设置为默认值
var余额=100;
var FinalBalance=document.getElementById(“余额”);
FinalBalance.textContent=余额;
var=10;
var FinalWeed=document.getElementById('gear');
FinalWeed.textContent=杂草;
//销售功能
函数sellGear(){
var check=window.prompt(“您确定要卖5包吗?”,“是”);
如果(检查=='Yes'&&weed>=5){
log(“事务已成功!”);
//更新余额
var updBalance=document.getElementById('balance');
updBalance.textContent=余额+150;
}否则{
console.log(“失败!”)
}
}
应该是onclick
而不是onclick
,但是,现在,当我单击手机时,没有任何事件:(onlick lol you make my day.我还假设你的JavaScript代码在
标签中,你与HTML一起发布用于演示,对吗?或者你的文件看起来像这样吗?+1,因为你的除草脚本让我笑得太厉害了。我喜欢它。lol我现在已经修复了它。但一旦我点击了销售,我也会将其扣除并更新-5个。)时间。但是我不能再低了。javascript文件是独立的,是的,它不在脚本标签中。在我的sell函数中,我的balance=balance=50;但是当我按下sell时,这不会增加我的余额,为什么?谢谢你使用“onlick”而不是“onclick”sell?:)我很高兴能帮助你。。