We can represent a graph using an array of vertices and a two-dimensional array of edges. The HTML DOM uses a tree data structure to represents the hierarchy of elements. class Graph{ constructor(vertices){ //Total number of vertices in the graph this.vertices=vertices; //Defining an array which can hold LinkedLists equal to the number of vertices in the graph this.list=[]; //Creating a new LinkedList for each vertex/index of the list for(i=0; i