Please do this task using JavaScript (write code in JavaScript). It is preferable to do this...
Please do this task using JavaScript (write code in JavaScript). It is preferable to do this task in the environment “Google Docs”.
Create a table where students’ grades are stored. Let us suppose that students take 6 exams. Students’ grades range from 0 to 10.
Develop commands that let us:
1. Colorize in green the names of those students whose grades are higher than 5.
2. Colorize in red the names of those students whose grades are lower than 5.
3. Remove the colors.
4. Count the total number of all students.
Assign buttons to the corresponding commands.
Homework Answers
<!DOCTYPE html>
<html>
<head>
<title></title>
</head>
<body>
<div align="center" id="big">
Follow is the list for students
<table border="1px" id="table">
<tr>
<td
class="name">
Alex
</td>
<td
class="marks">
4
</td>
</tr>
<tr>
<td
class="name">
Bob
</td>
<td
class="marks">
5
</td>
</tr>
<tr>
<td
class="name">
catylyn
</td>
<td
class="marks">
6
</td>
</tr>
<tr>
<td
class="name">
Dylynn
</td>
<td
class="marks">
7
</td>
</tr>
<tr>
<td
class="name">
Eicipher
</td>
<td
class="marks">
2
</td>
</tr>
<tr>
<td
class="name">
Flinn
</td>
<td
class="marks">
9
</td>
</tr>
<tr>
<td
class="name">
Grin
</td>
<td
class="marks">
1
</td>
</tr>
</table>
<div id="count">
</div>
<br>
<br>
<br>
<br><br>
<button onclick="myfunc1()">Turn
Green</button>
<button onclick="myfunc2()">Turn Red</button>
<button onclick="myfunc3()">Turn Reset</button>
<button onclick="myfunc4()">Count number</button>
</div>
<script type="text/javascript">
//document.getElementById('big').style.background="red"
var tab = document.getElementById("table");
console.log(tab.rows[0].cells[0].innerText)
console.log(tab.rows.length)
function myfunc1()
{
for (var i = 0; i <
tab.rows.length; i++)
{
console.log(tab.rows[0].cells[1].innerText)
if( tab.rows[i].cells[1].innerText
> 5)
{
tab.rows[i].cells[0].style.background="green"
}
//console.log(tab.rows.length);
}
}
function myfunc2()
{
for (var i = 0; i <
tab.rows.length; i++)
{
console.log(tab.rows[0].cells[1].innerText)
if( tab.rows[i].cells[1].innerText
<= 5)
{
tab.rows[i].cells[0].style.background="red"
}
//console.log(tab.rows.length);
}
}
function myfunc3()
{
for (var i = 0; i <
tab.rows.length; i++)
{
tab.rows[i].cells[0].style.background="none"
}
}
function myfunc4()
{
document.getElementById("count").innerText = "The total count is
"+tab.rows.length;
}
</script>
</body>
</html>
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