Your Search Results

    underflow Redirect 1

    The underflow event is fired when an element is no longer overflowed by its content (only works for elements styled with overflow != visible).

    General info

    Specification
    None, Mozilla specific
    Interface
    UIEvent
    Bubbles
    Yes
    Cancelable
    Yes
    Target
    Document, Element
    Default Action
    None.

    Properties

    Property Type Description
    target Read only EventTarget The event target (the topmost target in the DOM tree).
    type Read only DOMString The type of event.
    bubbles Read only boolean Does the event normally bubble?
    cancelable Read only boolean Is it possible to cancel the event?
    view Read only WindowProxy document.defaultView (the window of the document).
    detail Read only long (float) 0 for vertical underflow, 1 for horizontal, 2 for both

    Example

    <div id="wrapper">
        <div id="child"></div>
    </div>
    <br/>
    <label><input type="checkbox" id="toggle" checked/> Overflow</label>
    
    <style>
     #wrapper {
        width: 20px;
        height: 20px;
        background: #000;
        padding: 5px;
        overflow: hidden;
      }
    
      #child {
        width: 40px;
        height: 40px;
        border: 2px solid grey;
        background: #ccc;
      }
    </style>
    
    <script>
      var wrapper = document.getElementById("wrapper"),
          child = document.getElementById("child"),
          toggle = document.getElementById("toggle");
    
      wrapper.addEventListener("overflow", function( event ) {
          console.log( event );
      }, false);
    
      wrapper.addEventListener("underflow", function( event ) {
          console.log( event );
      }, false);
    
    
    
      toggle.addEventListener("change", function( event ) {
          if ( event.target.checked ) {
              child.style.width = "40px";
              child.style.height = "40px";
          } else {
              child.style.width = "10px";
              child.style.height = "10px";
          }
        
      }, false);
    </script>
    

    Document Tags and Contributors

    Contributors to this page: ethertank
    Last updated by: ethertank,