代码编辑器:
x
1
<p id="demo">单击按钮显示坐标(4,8)与X轴的角度的弧度</p>
2
<button onclick="myFunction()">点我</button>
3
<script>
4
function myFunction(){
5
document.getElementById("demo").innerHTML=Math.atan2(8,4);
6
}
7
</script>
8
<p id="demo">单击按钮显示坐标(4,8)与X轴的角度的弧度</p>
<button onclick="myFunction()">点我</button>
<script>
function myFunction(){
document.getElementById("demo").innerHTML=Math.atan2(8,4);
}
</script>