Add initial JavaScript functions and execution context notes

Author: kenzo0p

main.js

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+
+
+// getName();  //namaste  om
+// console.log(x); //undefined
+// console.log(getName) //[function : getName]
+
+var x = 7;
+function getName(){
+    console.log("Namaste om")
+}
+
+
+// getName(); //namaste om
+// console.log(x); // 7
+console.log(getName) //[function : getName] 1 functon
+
+
+console.log(getName2); //undef 2nd function
+// getName2(); //get name 2 is not a function
+
+var getName2 =  () => {
+    console.log("Namaste again");
+}
+
+
+//Interview tip -> 
+// Explain this thing
+
+
+

notes.txt

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+Everything in javascript happen inside as Execution context
+That whole thing is called as execution context inside that there two things 
+1.Memory component
+2.Code component
+In memory component variable and functions values can be stored in a  key value format.
+Code component is a place where whole JavaScript code is executed
+Memory component is also called as variable environment 
+And code component is also called as thread of execution.