Toggle switch

index.html

<!-- Delete content wrapper -->
<div class="content-wrapper">
<div class="toggle-container">
  <label for="toggle-1" class="toggle-switch">
  Label
  </label>
  <button role="switch" type="button" aria-checked="false" id="toggle-1" class="toggle-switch">
    <span aria-hidden="true"></span>
    <span class="knob"></span>
    <span aria-hidden="true"></span>
  </button>
</div>
</div>

script.js

document.querySelectorAll(".toggle-switch[role='switch']").forEach(switchEl => {
  switchEl.addEventListener("click", handleToggleClick, false);
  //prevent focus on switch when clicking on it
  switchEl.addEventListener("mousedown", event => {
    event.preventDefault();
  });
});

function handleToggleClick(event) {
  let switchEl = event.target;
  //if not disabled toggle attribute
  if (!switchEl.hasAttribute("aria-readonly")) {
    let currState = switchEl.getAttribute("aria-checked");
    let newState = currState === "true" ? false : true;
    switchEl.setAttribute("aria-checked", newState);
  }
}

//prevent focus to switch, on clicking label
document.querySelectorAll("label.toggle-switch").forEach(labelEl => {
  labelEl.addEventListener("click", event => {
    event.preventDefault(); //prevent focus
    event.target.control.click(); //activate switch
  });
});

style.scss

// for codepen only, delete these
@import url("https://fonts.googleapis.com/css?family=Roboto&display=swap");
body {
  background-color: #191919;
  display: flex;
  justify-content: center;
}
.content-wrapper {
  width: 533px;
  max-width: 100%;
  box-sizing: border-box;
  padding: 20px;
  border-radius: 4px;
  background: #565656;
  box-shadow: 0 14px 28px rgba(0, 0, 0, 0.25), 0 10px 10px rgba(0, 0, 0, 0.22);
}
// main content
.toggle-container {
  display: flex;
  align-items: center;

  label {
    margin-right: 4px;
    font-family: Roboto, sans-serif;
    color: #111111;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    user-select: none;
  }

  button[role="switch"] {
    -webkit-tap-highlight-color: transparent;
    position: relative;
    margin-left: auto;
    width: 50px;
    height: 26px;
    padding: 1px 6px;
    background-color: #d8d9db;
    outline: none;
    border: none;
    color: white;
    border-radius: 20px;
    line-height: 20px;
    cursor: pointer;
    transition: all 0.3s;
    animation-timing-function: cubic-bezier(0.4, 0, 1, 1) !important;

    &:focus {
      box-shadow: 0px 0px 0px 3px rgba(0, 155, 255, 0.48);
    }

    &::-moz-focus-inner {
      border: 0;
      outline: 0;
      padding: 0;
    }
    /* toggle knob */
    .knob {
      position: absolute;
      width: 20px;
      height: 20px;
      border-radius: 50%;
      background-color: white;
      top: 3px;
      left: 3px;
      transition: all 0.3s;
    }
    /* on  */
    &[aria-checked="true"] {
      background-color: #009bff;
      :last-child {
        opacity: 0;
        transition: opacity 0.2s 0.1s;
      }
      .knob {
        transform: translateX(24px);
      }
    }
    /* off */
    &[aria-checked="false"] {
      background-color: #3c3c3c;
      :first-child {
        opacity: 0;
        transition: opacity 0.2s 0.1s;
      }
    }
    /* disabled */
    &[aria-readonly="true"],
    &:disabled {
      cursor: not-allowed;
      opacity: 0.8;
      filter: grayscale(50%);
    }

    span {
      pointer-events: none;
    }
  }
}

toggle-switch.markdown

Toggle switch

Toggle switch.

A Pen by IpsumLorem16 on CodePen.

License.