实例代码“Ctrl+/”提示“F11/ESC”全屏 返回 格式化 恢复 运行
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<!DOCTYPE html>
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<html>
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<body>
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<p>A number divided by a string is not a number</p>
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<p>A number divided by a numeric string is a number</p>
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<p id="demo"></p>
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​
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<script>
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var x = 1000 / "Apple";
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var y = 1000 / "1000";
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document.getElementById("demo").innerHTML = isNaN(x) + "<br>" + isNaN(y);
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</script>
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​
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</body>
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</html>