Initialize variable with undefined

davidpiegza · davidpiegza · commit cc89417c296a · 2017-01-22T13:40:28.000+01:00
diff --git a/Graph.js b/Graph.js
@@ -53,7 +53,7 @@ function Graph(options) {
   this.nodeSet = {};
   this.nodes = [];
   this.edges = [];
-  this.layout = null;
+  this.layout = undefined;
 }
 
 Graph.prototype.addNode = function(node) {

Original file line number	Diff line number	Diff line change
`@@ -53,7 +53,7 @@ function Graph(options) {`
`53`	`53`	`this.nodeSet = {};`
`54`	`54`	`this.nodes = [];`
`55`	`55`	`this.edges = [];`
`56`		`- this.layout = null;`
	`56`	`+ this.layout = undefined;`
`57`	`57`	`}`
`58`	`58`
`59`	`59`	`Graph.prototype.addNode = function(node) {`