- -- operator
- -= operator
- ++ operator
- += operator
- Accessing and setting content
- Array concat() method
- Array indexOf()
- Array length
- Array pop()
- Array shift
- Arrays
- Booleans
- Braces
- Callback function
- Calling the function
- Class
- Closure
- Code block
- Comment
- Conditions
- Console
- Constructor
- Creating a p element
- Data types
- Date getTime()
- Destructuring
- Else
- Else if
- Enum
- Equals operator
- Error Handling
- ES6
- Event loop
- Events
- Extend
- Fetch API
- Filter
- For loop
- forEach()
- Function
- Function bind()
- Function name
- Greater than
- Head element
- Hoisting
- If statement
- includes()
- Infinity property
- Iterator
- JSON
- Less than
- Local storage
- Map
- Methods
- Module
- Numbers
- Object.keys()
- Overriding methods
- Parameters
- Promises
- Random
- Reduce
- Regular expressions
- Removing an element
- Replace
- Scope
- Session storage
- Sort
- Splice
- String
- String concat()
- String indexOf()
- Substring
- Switch statement
- Template literals
- Ternary operator
- Tile
- Type conversion
- While loop
JAVASCRIPT
-= operator in JavaScript
To subtract from a variable's value, we use the -= operator, like here where we decrease likes by 3.
let likes = 5;
likes -= 3;
console.log(likes);