JavaScript Learning notes-Object classification

Classification of objects and built-in math objects

I. Classification of objects

1. Built-in objects
Global

Math

2. Local objects
Array
Number
String
Boolean
Function
Regexp

3. Host Objects
Dom
Bom

Second, the Math object

Format: Math. Method (Parameter)

1. Take the absolute value
Math.Abs ();
2. Take an approximate integer
Math.Round () rounding
Math.floor () logarithm of the trade-offs
Math.ceil () logarithm of the trade-offs

3. Take the maximum or minimum value
Math.max (Parameters ....)
Math.min (Parameters ...)

4. Take a random number
Math.random ();

JavaScript Learning notes-Object classification