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<!DOCTYPE html>
<html>
<body>
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<h3>如何访问 FIGCAPTION 元素的演示</h3>
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<figure>
  <img src="/i/photo/tulip.jpg" alt="The Tulip" width="300" height="300">
  <figcaption id="myFigCap">Fig.1 - 郁金香是百合科郁金香属的一个栽培种，又称洋荷花、旱荷花。</figcaption>
</figure>
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<p>单击按钮将标题的颜色设置为红色。</p>
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<button onclick="myFunction()">试一试</button>
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<script>
function myFunction() {
  var x = document.getElementById("myFigCap");
  x.style.color = "red";
}
</script>
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</body>
</html>
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​