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<!DOCTYPE html>
<html>
<body>
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<h1>JavaScript 字符串方法</h1>
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<h2>fixed() 方法</h2>
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<p id="demo1"></p>
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<p>fixed() 方法在 JavaScript 中已被弃用。</p>
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<p>请使用 kbd 标签代替：</p>
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<p id="demo2"></p>
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<script>
let text = "Hello World!";
let result = text.fixed();
document.getElementById("demo1").innerHTML = result;
​
text = "<kbd>Hello World!</kbd>"; 
document.getElementById("demo2").innerHTML = text;
</script>
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</body>
</html>
​