HTML/student.html at main · VinayKalyani0/HTML · GitHub

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<!DOCTYPE html>
 <html lang="en">
     <head>
         <meta charset="UTF-8" />
         <meta http-equiv="X-UA-Compatible" content="IE=edge" />
         <meta name="viewport" content="width=device-width,
 initial-scale=1.0" />
         <title>IP EXP 4 Part 2</title>
     </head>
     <body>
         <h1>IP EXPERIMENT 4</h1>
         <h2>Part 2</h2>
         <p>To Create a student object and print the details in
 JavaScript.</p>
         <p>Check the Console for Output</p>
         <hr noshade="" />
         <p>Input box for error test</p>
         <input
             id="error_checking"
             type="text"
             value=""
             placeholder="Enter string or 0 for error"

 />
        <button type="submit" onclick="return checkError()">Submit</button>
    </body>
    <script>
        // Creating a Student Object
        const student1 = {
            name: "Vinay",
            class_name: "D15A",
            roll_no: 29,
};
        console.log("Student 1: ", student1);
        class Student {
            constructor(name, class_name, roll_no) {
                this.name = name;
                this.class_name = class_name;
                this.roll_no = roll_no;
} }
        const student2 = new Student("Joey", "D15A", 01);
        console.log("Student 2: ", student2);
        // Use of Prototype
        Student.prototype.nationality = "English";
        console.log("Student 2: ", student2);
        // Generating an Exception
        function checkError() {
            const value = document.getElementById("error_checking").value;
            console.log(value);
            if (isNaN(value) || value == 0) {
                throw new Error("Invalid Input ");
            } else {
                console.log("Valid");
            }
} </script>
</html>