嗨,我有以下代码,我希望能够通过按一个按钮改变圆的半径我不知道在风格后使用什么.在document.getElementById("circle1")中.style.r ="10"; 部分代码
<html>
<head>
<script>
function circle() {
document.getElementById("circle").style.r="50";
}
function circle1() {
document.getElementById("circle1").style.r="10";
}
</script>
</head>
<svg xmlns="http://www.w3.org/2000/svg" version="1.1" id="svg" >
<circle id = "circle" cx = "100" cy = "800" r = "30" stroke="blue" stroke-width = "2" fill = "black"/>
<circle id = "circle1" cx = "20" cy = "500" r = "30" stroke="blue" stroke-width = "2" fill = "black"/>
</svg>
<body>
Set size of circles
<input type="button" onclick="circle()" value="big" />
<input type="button" onclick="circle1()" value="small" />
</body> …