Calculator with JavaScript and CSS3

Developer
Kw7oe
Size
4,226 Kb
Views
14,168
  1. Calculator with JavaScript and CSS3 Previews
  2. Calculator with JavaScript and CSS3 HTML Codes
  3. Calculator with JavaScript and CSS3 CSS Codes
  4. Calculator with JavaScript and CSS3 JS Codes

How do I make an calculator with javascript and css3?

What is a calculator with javascript and css3? How do you make a calculator with javascript and css3? This script and codes were developed by Kw7oe on 13 December 2022, Tuesday.

Calculator with JavaScript and CSS3 Previews
IQ Test

Calculator with JavaScript and CSS3 - Script Codes HTML Codes

<!DOCTYPE html>
<html >
<head> <meta charset="UTF-8"> <title>Calculator with JavaScript and CSS3</title> <link rel="stylesheet" href="css/style.css">
</head>
<body> <div id='calculator'> <div class='top'> <span class='clear'>C</span> <div class='screen'></div> </div> <div class='keys'> <span>7</span> <span>8</span> <span>9</span> <span class='operator'>+</span> <span>4</span> <span>5</span> <span>6</span> <span class='operator'>-</span> <span>1</span> <span>2</span> <span>3</span> <span class='operator'>÷</span> <span>0</span> <span>.</span> <span class='evaluate'>=</span> <span class='operator'>x</span> </div>
</div>
<div id='credit'> Source Code from: <a href='http://thecodeplayer.com/walkthrough/javascript-css3-calculator' target='_blank'>The Code Player Walkthrough</a>
</div> <script src='https://cdnjs.cloudflare.com/ajax/libs/jquery/3.1.1/jquery.min.js'></script> <script src="js/index.js"></script>
</body>
</html>

Calculator with JavaScript and CSS3 - Script Codes CSS Codes

#credit { position: fixed; bottom: 5%; left: 50%; transform: translateX(-50%); font-size: 16px;
}
#credit a { color: #3553cf; text-decoration: none;
}
#credit a:hover { color: #2841a9;
}
* { margin: 0; padding: 0; box-sizing: border-box; font: bold 14px Arial, sans-serif;
}
html { height: 100%; background: white; background: radial-gradient(circle, #ffffff 20%, #cccccc); background-size: cover;
}
#calculator { width: 325px; height: auto; margin: 10% auto; padding: 20px 20px 9px; background: #9dd2ea; background: linear-gradient(#9dd2ea, #8bceec); border-radius: 3px; box-shadow: 0px 4px #009de4, 0px 10px 15px rgba(0, 0, 0, 0.2);
}
.keys, .top { overflow: hidden;
}
.keys span, .top span.clear { float: left; position: relative; top: 0; cursor: pointer; width: 66px; height: 36px; background: white; border-radius: 3px; box-shadow: 0px 4px rgba(0, 0, 0, 0.2); margin: 0 7px 11px 0; color: #888; line-height: 36px; text-align: center; user-select: none; transition: all 0.2s ease;
}
.keys span.operator { background: #FFF0F5; margin-right: 0;
}
.keys span.evaluate { background: #F1FF92; box-shadow: 0px 4px #9da853; color: #888e5f;
}
.keys span.evaluate:active { box-shadow: 0px 0px #717a33; top: 4px;
}
.keys span:hover { background: #9c89f6; box-shadow: 0px 4px #6b54d3; color: white;
}
.top span.clear { float: left; background: #FF9FA8; box-shadow: 0px 4px #FF7c87; color: white;
}
.top span.clear:hover { background: #f68991; box-shadow: 0px 4px #d3545d; color: white;
}
.top span.clear:active { top: 4px; box-shadow: 0px 0px #d3545d;
}
.top .screen { height: 40px; width: 212px; float: right; padding: 0 10px; background: rgba(0, 0, 0, 0.2); border-radius: 3px; box-shadow: inset 0px 4px rgba(0, 0, 0, 0.2); font-size: 17px; line-height: 40px; color: white; text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.2); text-align: right; letter-spacing: 1px;
}

Calculator with JavaScript and CSS3 - Script Codes JS Codes

var keys = document.querySelectorAll("#calculator span");
var operators = ['+', '-', 'x', '÷'];
var decimalAdded = false;
for(var i = 0; i < keys.length; i++) { keys[i].onclick = function(e) { var input = document.querySelector(".screen"); var inputVal = input.innerHTML; var btnVal = this.innerHTML; // Clear if (btnVal == "C") { input.innerHTML = ''; decimalAdded = false; } // Evaluate else if (btnVal == "=") { var equation = inputVal; var lastChar = equation[equation.length - 1]; equation = equation.replace(/x/g, "*") .replace(/÷/g, "/") if(operators.indexOf(lastChar) > -1 || lastChar == ".") { equation = equation.replace("/.$/", "") } if (equation) { input.innerHTML = eval(equation); } decimalAdded = false; } else if(operators.indexOf(btnVal) > -1) { var lastChar = inputVal[inputVal.length - 1]; if (inputVal != '' && operators.indexOf(lastChar) == -1) input.innerHTML += btnVal; else if (inputVal == '' && btn == "-") input.innerHTML += btnVal; if (operators.indexOf(lastChar) > -1 && inputVal.length > 1) { input.innerHTML = inputVal.replace(/.$/, btnVal); } decimalAdded = false; } // Add Decimal else if (btnVal == ".") { if (!decimalAdded) { input.innerHTML += btnVal; decimalAdded = true; } } // Others else { input.innerHTML += btnVal; } e.preventDefault; }
}
Calculator with JavaScript and CSS3 - Script Codes
Calculator with JavaScript and CSS3 - Script Codes
Home Page Home
Developer Kw7oe
Username kw7oe
Uploaded December 13, 2022
Rating 3
Size 4,226 Kb
Views 14,168
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