将总函数添加到html计算器 [英] Adding a Total function to a html calculator
本文介绍了将总函数添加到html计算器的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！
问题描述
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Tip Calculator Application</title>
<script>
function tipCalculate(slider,bill,total){
var tip = document.getElementById('tip');
var slideval = document.getElementById('slideval');
var bill = document.getElementById(bill).value;
var prcnt = slider * .01;
var total = tip + bill;
total.innerHTML = " $ " +(tip + bill).toFixed(2);
tip.innerHTML = " $ "+(bill * prcnt).toFixed(2);
slideval.innerHTML = slider+"%";
}
</script>
</head>
<body>
<h2>Tip Calculator</h2>
Amount: $
<input type="text" id="bill"><br>
Tip Percentage:
<input type="range" min="0" max="100" value="0" step="1" onchange="tipCalculate(this.value,'bill')" style="width:300px;">
<span id="slideval">0%</span>
<p>Tip =<span id="tip"></span></p>
<p>Total =<span id="total"></span></p>
</body>
</html>
推荐答案
+（小费+账单）.toFixed（2）;
tip.innerHTML =
" +(tip + bill).toFixed(2); tip.innerHTML = "
+（bill * prcnt）.toFixed（2）;
slideval.innerHTML = slider +％;
}
< / script>
< / head>
< body>
< h2>小费计算器< / h2>
金额：
"+(bill * prcnt).toFixed(2); slideval.innerHTML = slider+"%"; } </script> </head> <body> <h2>Tip Calculator</h2> Amount:
< input type =textid =bill>< br>
提示百分比：
< input type =rangemin =0max = 100value =0step =1onchange =tipCalculate（this.value，'bill'）style =width：300px;>
< span id =slideval> 0％< / span>
< p>提示=< span id =tip>< / span>< / p>
< p>总计=< span id =total>< / span>< / p>
< / body>
< / html>
<input type="text" id="bill"><br> Tip Percentage: <input type="range" min="0" max="100" value="0" step="1" onchange="tipCalculate(this.value,'bill')" style="width:300px;"> <span id="slideval">0%</span> <p>Tip =<span id="tip"></span></p> <p>Total =<span id="total"></span></p> </body> </html>
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