console 命令行工具 X clear

console

<!DOCTYPE html>
<html>
    <head>
    </head>
    <svg width="500px" height="500px" viewBox="0 0 100 100">
        <polygon points="10,5 40,5 25,10.66" fill="red"/>
        <polygon points= "10,7 25,12.66 40,7 40,22 10,22" fill="blue"/>
    </svg>
    <body>
    </body>
</html>