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<!DOCTYPE html>
<html>
<body>
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<h1>JavaScript 字符串</h1>
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<h2>toString() 方法</h2>
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<p>toString() 返回字符串的内容：</p>
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<p>let result = text.toString() 等同于 let result = text：</p>
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<p id="demo"></p>
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<script>
let text = "Hello World!";
let result = text;
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document.getElementById("demo").innerHTML = result; 
</script>
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</body>
</html>
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