Invert custom properties

Developer
Heydon
Size
2,026 Kb
Views
4,046
  1. Invert custom properties Previews
  2. Invert custom properties HTML Codes
  3. Invert custom properties CSS Codes
  4. Invert custom properties JS Codes

How do I make an invert custom properties?

What is a invert custom properties? How do you make a invert custom properties? This script and codes were developed by Heydon on 01 December 2022, Thursday.

Invert custom properties Previews
IQ Test

Invert custom properties - Script Codes HTML Codes

<!DOCTYPE html>
<html >
<head> <meta charset="UTF-8"> <title>Invert custom properties</title> <link rel="stylesheet" href="css/style.css">
</head>
<body> <div class="back"> <p class="front">Hello World!</p>
</div>
<button>Switch colors</button> <script src="js/index.js"></script>
</body>
</html>

Invert custom properties - Script Codes CSS Codes

:root { --back: #eee; --front: #111;
}
body { background-color: var(--back);
}
div { background-color: var(--back); color: var(--front); padding: 1rem; margin-bottom: 1em;
}

Invert custom properties - Script Codes JS Codes

function invertColor(hex) { hex = hex.trim(); hex = hex.slice(1); if (hex.length === 3) { hex = hex[0] + hex[0] + hex[1] + hex[1] + hex[2] + hex[2]; } if (hex.length !== 6) { throw new Error('Invalid HEX color.'); } var r = (255 - parseInt(hex.slice(0, 2), 16)).toString(16), g = (255 - parseInt(hex.slice(2, 4), 16)).toString(16), b = (255 - parseInt(hex.slice(4, 6), 16)).toString(16); return '#' + padZero(r) + padZero(g) + padZero(b);
}
function padZero(str, len) { len = len || 2; var zeros = new Array(len).join('0'); return (zeros + str).slice(-len);
}
document.querySelector('button').addEventListener('click', function () { var rootStyles = window.getComputedStyle(document.documentElement); var back = rootStyles.getPropertyValue('--back'); var front = rootStyles.getPropertyValue('--front'); document.documentElement.style.setProperty('--back', invertColor(back)); document.documentElement.style.setProperty('--front', invertColor(front));
});
Invert custom properties - Script Codes
Invert custom properties - Script Codes
Home Page Home
Developer Heydon
Username heydon
Uploaded December 01, 2022
Rating 3
Size 2,026 Kb
Views 4,046
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