jQuery toggleClass example

Toggle class name on click in jQuery

by Lissandro Dittmar

HTML

<div id="banner-message">
  <p>Hello World</p>
  <button>Change color</button>
</div>

CSS

body {
  background: #20262E;
  padding: 20px;
  font-family: Helvetica;
}

#banner-message {
  background: #fff;
  border-radius: 4px;
  padding: 20px;
  font-size: 25px;
  text-align: center;
  transition: all 0.2s;
  margin: 0 auto;
  width: 300px;
}

button {
  background: #0084ff;
  border: none;
  border-radius: 5px;
  padding: 8px 14px;
  font-size: 15px;
  color: #fff;
}

#banner-message.alt {
  background: #0084ff;
  color: #fff;
  margin-top: 40px;
  width: 200px;
}

#banner-message.alt button {
  background: #fff;
  color: #000;
}

JavaScript

// find elements
var banner = $("#banner-message");
var button = $("button");
let adapterList = [];

// handle click and add class
button.on("click", async () => {
  banner.toggleClass("alt");
  try {
    const ioPackage = await (await fetch("https://raw.githubusercontent.com/iobroker-community-adapters/ioBroker.info/master/io-package.json")).json();
    const isAdapter = ioPackage && ioPackage.common;
    if (!isAdapter) {
      adapterList.noIoPackage.push(adapter);
      return false;
    }
    if (ioPackage.common.restartAdapters && ioPackage.common.restartAdapters.includes("vis") && !ioPackage.common.restartAdapters.includes("vis2")) {
      console.log("NO VIS2");
    }
  } catch (e) {
    adapterList.noIoPackage.push("ss");
    return false;
  }
  return true;
})