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console 命令行工具 X clear

                    
>
console
 <DOCTYPE html>
<html>
    <head>
    </head>
    <!--
         <rect x='10' y='10' width='20px' height='10px' 
              fill='transparent' stroke='black'  stroke-width='0.3'
              stroke-opacity='0.4' stroke-dasharray='1 2 1'
              stroke-dashoffset='1'
              transform='translate(-10,0)' 
         />
         <polygon points='0,0 10,0 20,5 5,5 0,0'/>
         <circle cx='20' cy='30' r='5'
      
         />
         <ellipse cx='40' cy='30' rx='10' ry='5'
              style="transform-box:fill-box;transform-origin:center"
              transform='scale(1.4)rotate(45)'
         />
         <line x1='40' y1='0' x2='40' y2='10' stroke='red'stroke-width='0.3'/>
         <polyline  points='45,0 50,0 50,15 40,15 45,0' fill='transparent'
            stroke='red'stroke-width='0.3'/>
        <text  x='10' y='50' style="font-size:7">hello</text> -->
    <style>
        #r1{
            animation: move 1s ease 1s infinite alternate
        }
        @keyframes move{
            0%{transform:scale(1)}
            30%{x:50;fill:green;}
            100%{transform:scale(1.5);x:50;fill:red;}
        }
    </style>
    
    <body>
        <svg 
        width='500px' height='500px'
        viewBox='0 0 100 100'
        style="background:white">
           <rect id='r1' x='10' y='10' width='20' height='10' />
           <text id='r1' x='10' y='50' style="font-size:10">剁椒鱼头</text>
        </svg>
    </body>
</html>