OnlineExamMCQ/javascript.html at main · mulayharshal/OnlineExamMCQ · GitHub

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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>Javascript Exam</title>
    <link rel="icon" href="./images/exm.png" type="image/png">
    <link rel="stylesheet" href="quations.css">
</head>
<body>
    <h1>javascript exam quations</h1>
    <p class="pnote">NOTE :- If you score the above 50% then you pass in exam.</p>

    <div class="qcontain">

        <div class="q1 quation">
            <p>1. Which of the following is the correct way to declare a JavaScript variable?</p>
            <label>
                <input type="radio" name="q1" value="a"> a) var myVariable;
            </label>
            <br>
            <label>
                <input type="radio" name="q1" value="b"> b) let myVariable;
            </label>
            <br>
            <label>
                <input type="radio" name="q1" value="c"> c) const myVariable;
            </label>
            <br>
            <label>
                <input type="radio" name="q1" value="d"> d) All of the above
            </label>
        </div>


        <div class="q2 quation">
            <p>2. Which operator is used to assign a value to a variable in JavaScript?</p>
            <label>
                <input type="radio" name="q2" value="a"> a) ==
            </label>
            <br>
            <label>
                <input type="radio" name="q2" value="b"> b) =
            </label>
            <br>
            <label>
                <input type="radio" name="q2" value="c"> c) ===
            </label>
            <br>
            <label>
                <input type="radio" name="q2" value="d"> d) !=
            </label>
        </div>


        <div class="q3 quation">
            <p>3. What does NaN stand for in JavaScript?</p>
            <label>
                <input type="radio" name="q3" value="a"> a) Not a Number
            </label>
            <br>
            <label>
                <input type="radio" name="q3" value="b"> b) Number not Available
            </label>
            <br>
            <label>
                <input type="radio" name="q3" value="c"> c) Null and Not
            </label>
            <br>
            <label>
                <input type="radio" name="q3" value="d"> d) None of the above
            </label>
        </div>


        <div class="q4 quation">
            <p>4. What is the output of console.log(2 + "2"); in JavaScript?</p>
            <label>
                <input type="radio" name="q4" value="a"> a) 4
            </label>
            <br>
            <label>
                <input type="radio" name="q4" value="b"> b) 22
            </label>
            <br>
            <label>
                <input type="radio" name="q4" value="c"> c) undefined
            </label>
            <br>
            <label>
                <input type="radio" name="q4" value="d"> d) Error
            </label>
        </div>


        <div class="q5 quation">
            <p>5. Which method is used to find the length of an array in JavaScript?</p>
            <label>
                <input type="radio" name="q5" value="a"> a) length()
            </label>
            <br>
            <label>
                <input type="radio" name="q5" value="b"> b) getLength()
            </label>
            <br>
            <label>
                <input type="radio" name="q5" value="c"> c) arrayLength()
            </label>
            <br>
            <label>
                <input type="radio" name="q5" value="d"> d) .length
            </label>
        </div>


        <div class="q6 quation">
            <p>6. Which of the following is a correct way to define a function in JavaScript?</p>
            <label>
                <input type="radio" name="q6" value="a"> a) function myFunction[] {}
            </label>
            <br>
            <label>
                <input type="radio" name="q6" value="b"> b) function myFunction() {}
            </label>
            <br>
            <label>
                <input type="radio" name="q6" value="c"> c) function: myFunction() {}
            </label>
            <br>
            <label>
                <input type="radio" name="q6" value="d"> d) myFunction() => {}
            </label>
        </div>


        <div class="q7 quation">
            <p>7. Which event is triggered when the user clicks on an HTML element?</p>
            <label>
                <input type="radio" name="q7" value="a"> a) onhover
            </label>
            <br>
            <label>
                <input type="radio" name="q7" value="b"> b) onfocus
            </label>
            <br>
            <label>
                <input type="radio" name="q7" value="c"> c) onclick
            </label>
            <br>
            <label>
                <input type="radio" name="q7" value="d"> d) onchange
            </label>
        </div>


        <div class="q8 quation">
            <p>8. What is the purpose of the typeof operator in JavaScript?</p>
            <label>
                <input type="radio" name="q8" value="a"> a) To define a variable type
            </label>
            <br>
            <label>
                <input type="radio" name="q8" value="b"> b) To determine the type of a variable
            </label>
            <br>
            <label>
                <input type="radio" name="q8" value="c"> c) To create a new variable
            </label>
            <br>
            <label>
                <input type="radio" name="q8" value="d"> d) To check if a variable is null
            </label>
        </div>


        <div class="q9 quation">
            <p>9. Which built-in method can be used to convert a string to lowercase in JavaScript?</p>
            <label>
                <input type="radio" name="q9" value="a"> a) toLowerCase()
            </label>
            <br>
            <label>
                <input type="radio" name="q9" value="b"> b) lowercase()
            </label>
            <br>
            <label>
                <input type="radio" name="q9" value="c"> c) toLower()
            </label>
            <br>
            <label>
                <input type="radio" name="q9" value="d"> d) convertLowerCase()
            </label>
        </div>


        <div class="q10 quation">
            <p>10. Which keyword is used to define a JavaScript class?</p>
            <label>
                <input type="radio" name="q10" value="a"> a) className
            </label>
            <br>
            <label>
                <input type="radio" name="q10" value="b"> b) class
            </label>
            <br>
            <label>
                <input type="radio" name="q10" value="c"> c) function
            </label>
            <br>
            <label>
                <input type="radio" name="q10" value="d"> d) constructor
            </label>
        </div>

    </div>


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    <h1 class="disp"></h1>

    <script  src="quations.js"></script>
</body>
</html>