直播视频网站源码，进度条渐变效果

直播视频网站源码，进度条渐变效果实现的相关代码

```cpp
<!DOCTYPE html>
<html>
<body>

<canvas id="myCanvas" width="300" height="300" style="border:1px solid #d3d3d3;">
Your browser does not support the HTML5 canvas tag.
</canvas>

<script>

var c=document.getElementById("myCanvas");
var ctx=c.getContext("2d");
var grd=ctx.createRadialGradient(150,150,1,150,150,90);
grd.addColorStop(0,"red");
grd.addColorStop(0.1,"black");
grd.addColorStop(0.3,"yellow");
grd.addColorStop(0.5,"green");
grd.addColorStop(0.7,"yellow");
grd.addColorStop(0.9,"green");
grd.addColorStop(1,"black");
ctx.fillStyle=grd;
ctx.fillRect(10,10,280,280);

</script>

</body>
</html>
```

```cpp
<!DOCTYPE html>
<html>
<body>

<canvas id="myCanvas" width="300" height="300" style="border:1px solid #d3d3d3;">
Your browser does not support the HTML5 canvas tag.
</canvas>

<script>

var c=document.getElementById("myCanvas");
var ctx=c.getContext("2d");
var grd=ctx.createRadialGradient(150,150,1,150,150,90);
grd.addColorStop(0,"red");
grd.addColorStop(0.1,"black");
grd.addColorStop(0.3,"yellow");
grd.addColorStop(0.5,"green");
grd.addColorStop(0.7,"yellow");
grd.addColorStop(0.9,"green");
grd.addColorStop(1,"black");
ctx.fillStyle=grd;
ctx.fillRect(10,10,280,280);

</script>

</body>
</html>
```

以上就是直播视频网站源码，进度条渐变效果实现的相关代码，更多内容欢迎关注之后的文章

原文地址：https://www.cnblogs.com/yunbaomengnan/p/15079338.html