H5的語義化標簽新特性應該如何使用

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<script src="path/to/script.js"></script>

<video width="640" height="320" preload="auto" poster="0.jpg" controls>
 <source src="movie.ogg" type="video/ogg" />
 <source src="movie.mp4" type="video/mp4" />
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</video>

color, email, date, month, week, time, datetime, datetime-local, number,range,search, tel, 和url

required, autofocus, pattern, list, autocomplete 和placeholder

var canvas = document.getElementById('canvas');
var context = canvas.getContext('2d');
context.beginPath();
context.moveTo(100,100);
context.lineTo(300,300);
context.lineTo(100,500);
context.lineWidth = 5;
context.strokeStyle = "red";
context.stroke();