Function getRawStyle

src/prototype/dom/layout.js:16–29

(element, style)

  //
  // Camel-cased property names only.
  function getRawStyle(element, style) {
    element = $(element);

    // Try inline styles first.
    var value = element.style[style];
    if (!value || value === 'auto') {
      // Reluctantly retrieve the computed style.
      var css = document.defaultView.getComputedStyle(element, null);
      value = css ? css[style] : null;
    }

    if (style === 'opacity') return value ? parseFloat(value) : 1.0;
    return value === 'auto' ? null : value;
  }

  function getRawStyle_IE(element, style) {
    // Try inline styles first.