async

AntaeusNar · Apr 17, 2019 · 0afb6e4 · 0afb6e4
1 parent 3df3da1
commit 0afb6e4
Showing 1 changed file with 7 additions and 2 deletions.
diff --git a/intro.js b/intro.js
@@ -23,5 +23,10 @@ function sum(num1, num2) { //curly brases define a block
     return num1 + num2
 }
 
-var add = sum(2, 3) //call
-sum // referance
+var add = sum(2, 3) //call equal 5
+sum // referance can be used to pass into another function
+
+function foo(fn){ //callback functions - can pass functions into something that hasn't happened yet - asycn
+    fn(2,3)
+}
+