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console 命令行工具 X clear

                    
>
console
<!DOCTYPE html>
<html>
	<head>
		<title></title>
        <style>
            svg{
                width:1000px;
                height:1000px;
            }
            .zt{
                font-size:100px;
                stroke:white;
                stroke-width:5px;
                stroke-dasharray:5px;
                fill:none;
                animation:ztg 9s infinite;
            }
              .zt1{
                font-size:100px;
                stroke:blue;
                stroke-width:5px;
                stroke-dasharray:9px;
                fill:none;
                animation:zt1g 3s infinite;
            }
              .zt2{
                font-size:100px;
                stroke:yellow;
                stroke-width:5px;
                stroke-dasharray:5px;
                fill:none;
                animation:zt2g 5s infinite;
            }
              .zt3{
                font-size:100px;
                stroke:skyblue;
                stroke-width:5px;
                stroke-dasharray:5px;
                fill:none;
                animation:zt3g 7s infinite ;
            }
            @Keyframes zt3g{
                0%,100%{
                     stroke-dasharray:5px;
                }
                35%{
                     stroke-dasharray:20px;
                }
                60%{
                     stroke-dasharray:100px;
                }
                95%{
                     stroke-dasharray:30px;
                }
            } 
            @Keyframes zt2g{
                0%,100%{stroke-dasharray:10px;}
                45%{
                     stroke-dasharray:150px;
                }
                55%{
                     stroke-dasharray:250px;
                }
                80%{
                     stroke-dasharray:350px;
                }
                 @Keyframes zt1g{
                0%,100%{
                     stroke-dasharray:15px;
                }
                15%{
                     stroke-dasharray:170px;
                }
                35%{
                     stroke-dasharray:270px;
                }
                85%{
                     stroke-dasharray:370px;
                }
                 @Keyframes ztg{
                0%,100%{
                     stroke-dasharray:20px;
                }
                5%{
                     stroke-dasharray:100px;
                }
                20%{
                     stroke-dasharray:190px;
                }
                65%{
                     stroke-dasharray:20px;
                }

        </style>
	</head>
	<body>
		<svg>
         <text x="50" y="200" class="zt">
             DDDDDDD
             </text> 
              <text x="50" y="200" class="zt1">
             DDDDDDD
             </text> 
              <text x="50" y="200" class="zt2">
             DDDDDDD
             </text> 
              <text x="50" y="200" class="zt3">
             DDDDDDD
             </text> 
        </svg>
	</body>
</html>