#Day47 of 100daysofcode
Today was a day full of meetings and today is Happy Friday too… Fridays are my favorite because I talk to people I love to end my week…
Today I enjoyed a great dinner and my favorite cocktail and some music
I finished the Variables chapter in Javascript and some notes as below:
-
Variables hold reusable data in a program and associate it with a name.
-
Variables are stored in memory.
-
The
var
keyword is used in pre-ES6 versions of JS. -
let
is the preferred way to declare a variable when it can be reassigned, andconst
is the preferred way to declare a variable with a constant value. -
Variables that have not been initialized store the primitive data type
undefined
. -
Mathematical assignment operators make it easy to calculate a new value and assign it to the same variable.
-
The
+
operator is used to concatenate strings including string values held in variables -
In ES6, template literals use backticks ``` and
${}
to interpolate values into a string. -
The
typeof
keyword returns the data type (as a string) of a value.
I also wrote a brief Realm Byte on Embedded Objects
Until Tomorrow, (I am going to trekk on SugarLoaf Mountains)