Function hoverData

test/jasmine/tests/annotations_test.js:869–881

(xyPairs)

    ];

    function hoverData(xyPairs) {
        // hovering on nothing can have undefined hover data - must be supported
        if(!xyPairs.length) return;

        return xyPairs.map(function(xy) {
            return {
                x: xy[0],
                y: xy[1],
                xaxis: gd._fullLayout.xaxis,
                yaxis: gd._fullLayout.yaxis
            };
        });
    }

    function checkVisible(opts) {
        gd._fullLayout.annotations.forEach(function(ann, i) {