Function _hover

test/jasmine/tests/sankey_test.js:682–686

(px, py)

        afterEach(destroyGraphDiv);

        function _hover(px, py) {
            mouseEvent('mousemove', px, py);
            mouseEvent('mouseover', px, py);
            Lib.clearThrottle();
        }

        var node = [410, 300];
        var link = [450, 300];