JS Methods Flashcards
Why do we log things to the console?
to debug and check if code is working
What is a method?
A method is a function which is a property of an object.
How is a method different from any other function?
They do specific pre determined things connected directly to an object
How do you remove the last element from an array?
.pop( )
How do you round a number down to the nearest integer?
Math.round( )
How do you generate a random number?
Math.random( )
How do you delete an element from an array?
.splice( )
How do you append an element to an array?
.push( )
.unshift ( )
How do you break a string up into an array?
.split( )
Do string methods change the original string? How would you check if you weren’t sure?
no it does not - you would console.log to check
Roughly how many string methods are there according to the MDN Web docs?
48, or in the forties
Is the return value of a function or method useful in every situation?
no
Roughly how many array methods are there according to the MDN Web docs?
37, or around 30
What three-letter acronym should you always include in your Google search about a JavaScript method or CSS property?
MDN
