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JS Data Foundations - Coggle Diagram
JS Data Foundations
Primitive Types
string
number
boolean
null
undefined
Variables
const
let
var kullanma
Objects
key-value
dot notation
bracket notation
Array of Objects
real app data
API response
React list state
Arrays
ordered list
index
Debugging
console.log
typeof
JS
JS Logic Foundations
Functions
reusable logic
input
output
Parameters vs Arguments
Return
gives value back
not same as console.log
Conditionals
if
else
decision making
Comparison
\===
!==
<
Logical Operators
&&
||
!
Loops
for
iterate array
Scope
local variable
accessible region
Form validation / UI decisions / API handling / List rendering
React State / API JSON / Backend Response