internetPrograming/js.js at main · Aforistic/internetPrograming · GitHub

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// Questions will be asked
 const Questions = [{
    id: 0,
    q: "What is the full meaning of the acronym HTML?",
    a: [{ text: "Hyper-Text Transfer Protocol ", isCorrect: false },

    { text: "Hyper-Text Pre-processor", isCorrect: false },
    { text: "Hyper-text Markup Language", isCorrect: true },
    { text: "Hyper-text Transfer Protocol-Secured", isCorrect: false }
] },

{

    id: 1,
    q: "What is the default port number of HTTPS?",
    a: [{ text: "443", isCorrect: true, isSelected: false },
    { text: "21", isCorrect: false },
    { text: "80", isCorrect: false },
    { text: "3306", isCorrect: false }

] },
{

id: 2,
q: "What is the Default port number of MySQL",
 a: [{ text: "8888", isCorrect: false },
{ text: "22", isCorrect: false },
{ text: "21", isCorrect: false },
{ text: "3306", isCorrect: true }

]
} ];

    var start = true;
// Iterate
function iterate(id) {
// Getting the result display section
var result = document.getElementsByClassName("result");
result[0].innerText = "";
// Getting the question
const question = document.getElementById("question");
// Setting the question text
question.innerText - Questions[id].q;
// Getting the options
const op1 = document.getElementById('op1');
const op2 = document.getElementById('op2');
const op3 = document.getElementById('op3');
const op4  = document.getElementById('op4');
// Providing option text
op1.innerText = Questions[id].a[0].text;
op2.innerText = Questions[id].a[1].text;
op3.innerText = Questions[id].a[2].text;
op4.innerText = Questions[id].a[3].text;
// Providing the true or false value to the options
 op1.value = Questions[id].a[0].isCorrect;
 op2.value = Questions[id].a[1].isCorrect;
 op3.value = Questions[id].a[2].isCorrect;
 op4.value = Questions[id].a[3].isCorrect;
var selected = "";
// Show selection for opl
op1.addEventListener("click", () => {
op1.style.backgroundColor="lightgoldenrodyellow";
op2.style.backgroundColor = "lightskyblue";
op3.style.backgroundColor = "lightskyblue";
op4.style.backgroundColor = "lightskyblue";
selected = op1.value;
// }}
})


// Show selection for op2
op2.addEventListener("click", () => {
op1.style.backgroundColor = "lightskyblue";
 op2.style.backgroundColor = "lightgoldenrodyellow";
  op3.style.backgroundColor = "lightskyblue";
  op4.style.backgroundColor = "lightskyblue";
  selected = op2.value;
})
// Show selection for op3
op3.addEventListener("click", () => {
op1.style.backgroundColor = "lightskyblue";
op2.style.backgroundColor = "lightskyblue";
op3.style.backgroundColor = "lightgoldenrodyellow";
 op4.style.backgroundColor = "lightskyblue";
 selected = op3.value;
})
// Show selection for op4
op4.addEventListener("click", () => {
op1.style.backgroundColor = "lightskyblue";
op2.style.backgroundColor = "lightskyblue";
op3.style.backgroundColor = "lightskyblue";
 op4.style.backgroundColor = "lightgoldenrodyellow";
 selected op4.value;
})

// Grabbing the evaluate button
const evaluate = document.getElementsByClassName("evaluate");

// Evaluate method
evaluate[0].addEventListener("click", () => {
    if (selected == "true") {
result[0].innerHTML = "True";
result[0].style.color = "green";
} else {
result[0].innerHTML = "False";
result[0].style.color = "red";
}
})
}
if (start) {
iterate("0");
}
// Previous button and method
// Next button and method
const next = document.getElementsByClassName('next')[0];
var id = 0;
next.addEventListener("click", () => {
start = false;
if (id < 2) {
id++;
iterate(id);
console.log(id);
}
}
)