Window.localStorage - Web APIs | MDN[
^]
const colors = ["#ad9ea1", "#8e96a3", "#94a899", "#cfc5b6", "#91919c", "#b3b4b5"];
let colorIndex = parseInt(localStorage.getItem("colorIndex")) || 0;
const updateColor = function() {
document.querySelector(".caro").style.background = colors[colorIndex];
};
document.querySelector("button").addEventListener("click", function() {
++colorIndex;
if (colorIndex >= colors.length) {
colorIndex = 0;
}
localStorage.setItem("colorIndex", colorIndex);
updateColor();
});
updateColor();
Demo[
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