loadScript('https://sigma-121.abserari.now.sh/sigma.min.js',()=>{
execScript(`sigma.classes.graph.addMethod('neighbors', function(nodeId) {
var k,
neighbors = {},
index = this.allNeighborsIndex[nodeId] || {};
for (k in index)
neighbors[k] = this.nodesIndex[k];
return neighbors;
});`)
})