Issue
- After clicking "submit", stay on the page.
- Input data, like "computer number" and "profit", stay inside those blank square.
- A word "Submitted", appear in the center of this page.
The following is my code, Please help, thank you!
<html>
<head>
<title></title>
</head>
<body>
<form name="form"
onsubmit="return validateForm()">
Computer Number:<br>
<input type="text" name="Computer" required><br>
<p>How much is your profit?
<input id="id1" name = "id1" required>
<button type = "button" onclick="myFunction()">My Answer</button>
<button type="button" id="btn1" onclick="Solution()" style="display:none;">Solution</button>
</p>
<p id="Q1"></p>
<script>
var errosCount = 0;
function myFunction() {
var x, text;
x = document.getElementById("id1").value;
if (isNaN(x) || x != 100) {
text = "Incorrect"; document.getElementById("Q1").style.color = "red";errosCount++;
} else {
text = "Correct"; document.getElementById("Q1").style.color = "green";
}
document.getElementById("Q1").innerHTML = text;
if(errosCount === 3){
errosCount = 0;
document.getElementById('btn1').style.display = 'block';
document.getElementById("Q1").innerHTML = '';
} else {
document.getElementById('btn1').style.display = 'none';
}
}
function Solution(){
text = "(P - w) * q<sub>o</sub> - I = (53 - 43) * 30 - 200 = 100"; document.getElementById("Q1").style.color = "red";
document.getElementById("Q1").innerHTML = text;
}
</script>
<input type="submit" value="Submit">
</form>
<script>
function validateForm() {
var q = document.forms["my form"]["Computer"].value;
if (q == "") {
alert("Computer Number is Missing!");
return false;}
var w = document.forms["my form"]["id1"].value;
if (w != "100") {
alert("Question 1 is Incorrect!");
return false;}
}
</script>
</body>
</html>Solution
Firstly, you were having document.forms["my form"] which was invalid since your form name was form so I changed it to document.forms["form"].
And, on submit, I added return false at the bottom of the function to stay on the page. Also, before that, added "Submitted" text in the center of the page as shown below.
Here's working code snippet!
Hope that helps!
var errosCount = 0;
function myFunction() {
var x, text;
x = document.getElementById("id1").value;
if (isNaN(x) || x != 100) {
text = "Incorrect";
document.getElementById("Q1").style.color = "red";
errosCount++;
} else {
text = "Correct";
document.getElementById("Q1").style.color = "green";
}
document.getElementById("Q1").innerHTML = text;
if (errosCount === 3) {
errosCount = 0;
document.getElementById('btn1').style.display = 'block';
document.getElementById("Q1").innerHTML = '';
} else {
document.getElementById('btn1').style.display = 'none';
}
}
function Solution() {
text = "(P - w) * q<sub>o</sub> - I = (53 - 43) * 30 - 200 = 100";
document.getElementById("Q1").style.color = "red";
document.getElementById("Q1").innerHTML = text;
}
function validateForm() {
var q = document.forms["form"]["Computer"].value;
if (q == "") {
alert("Computer Number is Missing!");
return false;
}
var w = document.forms["form"]["id1"].value;
if (w != "100") {
alert("Question 1 is Incorrect!");
return false;
}
document.getElementById("submitted").innerHTML = "Submitted"
return false;
}#submitted {
text-align: center
}<form name="form" onsubmit="return validateForm()">
Computer Number:<br>
<input type="text" name="Computer"><br>
<p>How much is your profit?
<input id="id1" name="id1" required>
<button type="button" onclick="myFunction()">My Answer</button>
<button type="button" id="btn1" onclick="Solution()" style="display:none;">Solution</button>
</p>
<p id="Q1"></p>
<input type="submit" value="Submit">
</form>
<br/>
<div id="submitted">
</div>Answered By - tanmay
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