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<!DOCTYPE html>
<html>
<body>
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<h1>JavaScript 字符串方法</h1>
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<p>slice() 提取字符串的某个部分，并在新字符串中返回被提取的部分。</p>
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<p id="demo"></p>
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<script>
var str = "Apple, Banana, Mango";
var res = str.slice(-13) 
document.getElementById("demo").innerHTML = res;
</script>
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</body>
</html>
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