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>

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10-31 22:10