scrimba
JS color tool
Convert RGB To Hex - Challenge Solution
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Convert RGB To Hex - Challenge Solution
AboutCommentsNotes
Convert RGB To Hex - Challenge Solution
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index.js
run
preview
console
const hexInput = document.getElementById('hexInput');
const inputColor = document.getElementById('inputColor');

hexInput.addEventListener('keyup', () => {

const hex = hexInput.value;
if(!isValidHex(hex)) return;

const strippedHex = hex.replace('#', '');

inputColor.style.backgroundColor = "#" + strippedHex;
})

const isValidHex = (hex) => {
if(!hex) return false;

const strippedHex = hex.replace('#', '');
return strippedHex.length === 3 || strippedHex.length === 6;
}

const convertHexToRGB = (hex) => {
if(!isValidHex(hex)) return null;

let strippedHex = hex.replace('#', '');

if(strippedHex.length === 3){
strippedHex = strippedHex[0] + strippedHex[0]
+ strippedHex[1] + strippedHex[1]
+ strippedHex[2] + strippedHex[2];
}

const r = parseInt(strippedHex.substring(0,2), 16);
const g = parseInt(strippedHex.substring(2,4), 16);
const b = parseInt(strippedHex.substring(4,6), 16);

return {r,g,b};
}

console.log(convertHexToRGB("de5254"));

Console
{r:
222
, g:
82
, b:
84
}
,
/index.html
-3:44