Input effect on keyboard tab -> focus, but NOT on click

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萌比男神i
萌比男神i 2020-12-30 08:37

When a user \'tabs over\' to an input, I want the focus effect to be normally displayed, but on click, I don\'t want it to be visible.

User hits tab

3条回答
  •  青春惊慌失措
    2020-12-30 09:08

    I'm currently doing something similar for my company. Unfortunately you must use JavaScript since CSS doesn't support this use case.

    Here's what I've done.

    var btns = document.querySelectorAll('button');
    
    var onMouseDown = function (evt) {
      evt.target.dataset.pressed = 'true';
    };
    
    var onMouseUp = function (evt) {
      evt.target.dataset.pressed = 'false';
    };
    
    var onFocus = function (evt) {
      var element = evt.target;
      if (element.dataset.pressed !== 'true') {
        element.classList.add('focus');
      }
    };
    
    var onBlur = function (evt) {
      evt.target.classList.remove('focus');
    };
    
    for(var i = 0, l = btns.length; i < l; i++) {
      btns[i].addEventListener('mousedown', onMouseDown);
      btns[i].addEventListener('mouseup', onMouseUp); 
      btns[i].addEventListener('focus', onFocus);
      btns[i].addEventListener('blur', onBlur);
    }
    * { box-sizing: border-box; }
    
    body { background-color: white; }
    
    button {
      -webkit-appearance: none;
      -moz-appearance: none;
      appearance: none;
      min-width: 100px;
      margin: 0 1px;
      padding: 12px 10px;
      font-size: 15px;
      color: white;
      background-color: #646e7c;
      border: none;
      border-radius: 5px;
      box-shadow: 0 2px 2px 0 rgba(0,0,0,.2);
      cursor: pointer;
      -webkit-user-select: none;
      -moz-user-select: none;
      user-select: none;
    }
    
    button:focus { outline: none; }
    
    button:active {
      -webkit-transform: translateY(1px);
      -moz-transform: translateY(1px);
      transform: translateY(1px);
      box-shadow: 0 0 2px 0 rgba(0, 0, 0, 0.2);
    }
    
    button.focus {
      font-weight: bold;
    }
    
    button.primary { background-color: #2093d0; }
    
    button.success { background-color: #71a842; }
    
    button.danger { background-color: #ef4448; }
    
    
    
      
    
    
      
      
      
      
    
    

    Basically instead of relying on browser's native focus I add/remove a focus class on my button depending on the situation.

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