# var and let ![](https://i.imgur.com/7zjG9tZ.png) # Statements and Semi-Colons in JavaScript Semi-colons are used to terminate the line of code in JavaScript var first = "wes"; // variable declaration statement console.log(first); // function call statement # Code Blocks Code blocks are things that are bound by these curly brackets { and }. # var 1- If you use var outside of a function, it belongs to the global scope. 2- If you use var inside of a function, it belongs to that function. 3- If you use var inside of a block, i.e. a for loop, the variable is still available outside of that block.