lovecoding
/
Web1020


			
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							<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <script>
        // var a = 10;
        // // var b = a + "";
        // var b = a.toString();
        // console.log(b+2);

        // var a = "5";
        // a = 5.1;
        // var b = parseInt(a);


        // console.log(b);


        var a = "5.1";
        var b = parseFloat(a);
        console.log(b+1);
        
    </script>
</body>
</html>