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Trying to understand java script.. The code provided prints out a game board of cells that are 10 x 10.   I currnetly have it printed out so that it will print out pink squares. how can i create a click even on any of the pink squares that when they are clicked it will turn the square black...   then any square that is black when it is clicked it will change back to the color pink

html/js code and css code is provided..

html/js code code ------------------------

<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8" />
    <title></title>
    <link rel="stylesheet" href="/lib/bootstrap/dist/css/bootstrap.css" />
    <link rel="stylesheet" href="StyleSheet1.css" />
</head>
<body>
    <div class="container body-content">
        <h1>Multiplayer Conway's Game of Life</h1>
        <br />
        <div class="gameboard-container">
          
            <table id="gameboard" cellspacing="1"></table>

         
        </div>
      


      

    </div>


    <script>

        var gameArrayLength = 10;
     

    
        window.onload = function () {
            drawBoard();
        

        }


        //draw the initial game board
        function drawBoard() {
            var boardTable = document.getElementById("gameboard");
            for (var i = 0; i < gameArrayLength; i++) {
                var currentRow = boardTable.insertRow(i);

                for (var j = 0; j < gameArrayLength; j++) {
                    var cellNumber = i * gameArrayLength + j;
                    var cell = currentRow.insertCell(j);
                    cell.className = "cell cell-off";
                    cell.id = cellNumber;
                }
            }
        }

     
    </script>

</body>
</html>

-------------------------------------------------------------------------------------------------------------------------------------------

css code

body {
    padding-top: 20px;
    padding-bottom: 20px;
    text-align: center;
}

.body-content {
    padding-left: 15px;
    padding-right: 15px
}

.gameboard-controls {
    background-color: #bbe0ff;
    border-bottom: 1px solid black;
}


.gameboard-container {
    margin-left: auto;
    margin-right: auto;
    max-width: 600px;
    border: 5px solid black;
    border-radius: 7px;
}

#gameboard {
    width: 100%;
    cursor: pointer;
    border-bottom: 2px solid black;
    border-top: 2px solid black;
}

.cell {
    width: 14px;
    height: 12px;
    margin: 1px;
    border: 1px solid #e0e0e0;
}

.cell-on {
    background-color: black;
}

.cell-off {
    background-color: pink;
}

.cell-queued {
    background-color: black;
}

ⓘ localhost52136/HtmiPagel.html Multiplayer Conways Game of Life

engineering   Computer-Science   
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Homework Answers

Answer #1

Dear student ,

As per the above requirement, kindly find the below solution.

Here in the code I had added some lines of code that will handle the color for the cell. I am not made any changes in css so not submitting that file again only submitting the html file code.

Below is the code for the page "gameBoard.html"

<!DOCTYPE html>

<html>

<head>

<meta charset="utf-8" />

<title></title>

<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css">

<link rel="stylesheet" href="StyleSheet1.css" />

</head>

<body>

<div class="container body-content">

<h1>Multiplayer Conway's Game of Life</h1>

<br />

<div class="gameboard-container">

<table id="gameboard" cellspacing="1"></table>

</div>

</div>

<script>

var gameArrayLength = 10;

window.onload = function () {

drawBoard();

}

//draw the initial game board

function drawBoard() {

var boardTable = document.getElementById("gameboard");

for (var i = 0; i < gameArrayLength; i++) {

var currentRow = boardTable.insertRow(i);

for (var j = 0; j < gameArrayLength; j++) {

var cellNumber = i * gameArrayLength + j;

var cell = currentRow.insertCell(j);

cell.className = "cell cell-off";

cell.id = cellNumber;

}

}

}

//attaching event listener to table

document.getElementById("gameboard").addEventListener("click", tableClick);

//defination for tableClick() function , this function finds which cell is clicked

function tableClick() {

var tbl = document.getElementById("gameboard");

if (tbl != null) {

for (var i = 0; i < tbl.rows.length; i++) {

for (var j = 0; j < tbl.rows[i].cells.length; j++)

tbl.rows[i].cells[j].onclick = function () { changeColor(this); };

}

}

}

//this is function is called to change the color of cell

function changeColor(cel)

{

if (cel.className == "cell-off")

{

cel.className = "cell-on"

}

else

{

cel.className = "cell-off"

}

}

</script>

</body>

</html>

Output : When you open this page in the browser , you will get the screen as shown below

G gameßoard.html С ⓘfile:///C/Users/nagesh.am/Desktop/lavaScriptError/gameBoard.html A elebrate IT Train 囵Why Angular 4? wheWhen you click or double click on any cell that is pink square you will get the screen as shown below

G gameßoard.html С 0) file:///C/Users/nagesh.am/Desktop/lavaScriptError/gameBoard.html Accelebrate ITT ain why Angular ? wh 7

than again click on the same cell and check the output.

NOTE : KINDLY PROVIDE THE FEEDBACK ABOUT THE SOLUTION

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