这里写目录标题
- 工具
- 代码
- 运行结果
工具
HBuilder X
代码
<!DOCTYPE html>
<html><head><meta charset="utf-8"><title></title><script>window.onload = function() // 需要在body加载完成之后，才能通过document获得页面内容{var oddsum = 0; // 定义奇数和变量var evensum = 0; // 定义偶数和变量var diff = 0; //定义两数之差for(var i = 0; i <= 100; i++){if(i%2 == 0){evensum += i;}else{oddsum += i;}}console.log("100以内的偶数和：", evensum);console.log("100以内的奇数和：", oddsum);diff = evensum - oddsum;// console.log(document.getElementById("even"));// console.log(document.getElementById("even").innerHTML);document.getElementById("even").innerHTML = evensum;document.getElementById("odd").innerHTML = oddsum;document.getElementById("even-odd").innerHTML = diff;}</script></head><body><p><label>100以内的偶数和：</label><b id="even">0</b></p><p><label>100以内的奇数和：</label><b id="odd">0</b></p><p><label>100以内的偶数和-奇数和：</label><b id="even-odd">0</b></p></body>
</html>
运行结果
