页面设置5个文本框,设置4个按钮分别是 最大,最小,平均,求和,点击按钮将结果显示到一个结果框中
时间: 2024-01-02 17:02:54 浏览: 57
好的,以下是一个简单的HTML和JavaScript实现页面设置5个文本框,设置4个按钮分别是最大、最小、平均、求和,点击按钮将结果显示到一个结果框中的例子:
```html
<!DOCTYPE html>
<html>
<head>
<title>数字计算器</title>
</head>
<body>
<h1>数字计算器</h1>
<label for="num1">数字1:</label>
<input type="number" id="num1"><br><br>
<label for="num2">数字2:</label>
<input type="number" id="num2"><br><br>
<label for="num3">数字3:</label>
<input type="number" id="num3"><br><br>
<label for="num4">数字4:</label>
<input type="number" id="num4"><br><br>
<label for="num5">数字5:</label>
<input type="number" id="num5"><br><br>
<button onclick="max()">最大</button>
<button onclick="min()">最小</button>
<button onclick="average()">平均</button>
<button onclick="sum()">求和</button><br><br>
<p id="result"></p>
<script>
function max() {
var num1 = parseInt(document.getElementById("num1").value);
var num2 = parseInt(document.getElementById("num2").value);
var num3 = parseInt(document.getElementById("num3").value);
var num4 = parseInt(document.getElementById("num4").value);
var num5 = parseInt(document.getElementById("num5").value);
var result = Math.max(num1, num2, num3, num4, num5);
document.getElementById("result").innerHTML = "最大值为:" + result;
}
function min() {
var num1 = parseInt(document.getElementById("num1").value);
var num2 = parseInt(document.getElementById("num2").value);
var num3 = parseInt(document.getElementById("num3").value);
var num4 = parseInt(document.getElementById("num4").value);
var num5 = parseInt(document.getElementById("num5").value);
var result = Math.min(num1, num2, num3, num4, num5);
document.getElementById("result").innerHTML = "最小值为:" + result;
}
function average() {
var num1 = parseInt(document.getElementById("num1").value);
var num2 = parseInt(document.getElementById("num2").value);
var num3 = parseInt(document.getElementById("num3").value);
var num4 = parseInt(document.getElementById("num4").value);
var num5 = parseInt(document.getElementById("num5").value);
var result = (num1 + num2 + num3 + num4 + num5) / 5;
document.getElementById("result").innerHTML = "平均值为:" + result;
}
function sum() {
var num1 = parseInt(document.getElementById("num1").value);
var num2 = parseInt(document.getElementById("num2").value);
var num3 = parseInt(document.getElementById("num3").value);
var num4 = parseInt(document.getElementById("num4").value);
var num5 = parseInt(document.getElementById("num5").value);
var result = num1 + num2 + num3 + num4 + num5;
document.getElementById("result").innerHTML = "求和为:" + result;
}
</script>
</body>
</html>
```
在此示例中,我们使用HTML创建了五个输入框和四个按钮,然后使用JavaScript编写了四个名为`max()`、`min()`、`average()`和`sum()`的函数,分别计算输入框中数字的最大值、最小值、平均值和总和。最后,它们会将结果显示在页面上。
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