Explain assignment operator

Author: abmhts

Sprint-2/1-key-exercises/1-count.js

@@ -4,3 +4,5 @@ count = count + 1;
 
 // Line 1 is a variable declaration, creating the count variable with an initial value of 0
 // Describe what line 3 is doing, in particular focus on what = is doing
+
+// Line 3 takes the current value of count and adds 1 to it,and uses = to assign new value back to count,so the new value will be 1.