src/polyfills/resources/IntersectionObserverPolyfill.js
function computeRectIntersection(rect1, rect2) {
        var top = Math.max(rect1.top, rect2.top);
        var bottom = Math.min(rect1.bottom, rect2.bottom);
        var left = Math.max(rect1.left, rect2.left);
        var right = Math.min(rect1.right, rect2.right);
        var width = right - left;
        var height = bottom - top;

        return (width >= 0 && height >= 0) && {
            top: top,
            bottom: bottom,
            left: left,
            right: right,
            width: width,
            height: height
        };
    }
function computeRectIntersection(rect1, rect2) {
        var top = Math.max(rect1.top, rect2.top);
        var bottom = Math.min(rect1.bottom, rect2.bottom);
        var left = Math.max(rect1.left, rect2.left);
        var right = Math.min(rect1.right, rect2.right);
        var width = right - left;
        var height = bottom - top;

        return (width >= 0 && height >= 0) && {
            top: top,
            bottom: bottom,
            left: left,
            right: right,
            width: width,
            height: height
        };
    }
function computeRectIntersection ( rect1 , rect2 ) { var top = Math . max ( rect1 . top , rect2 . top ) ; var bottom = Math . min ( rect1 . bottom , rect2 . bottom ) ; var left = Math . max ( rect1 . left , rect2 . left ) ; var right = Math . min ( rect1 . right , rect2 . right ) ; var width = right - left ; var height = bottom - top ; return ( width >= 0 && height >= 0 ) && { top : top , bottom : bottom , left : left , right : right , width : width , height : height } ; }
Returns the intersection between two rect objects.
@param {Object} rect1 The first rect.
@param {Object} rect2 The second rect.
@return {?Object} The intersection rect or undefined if no intersection
is found.
Returns the intersection between two rect objects .