Test if a Variable or Function is Defined
Learn How JavaScript Assertions Work
Use Assert.isOK and Assert.isNotOK
Test for Truthiness
Use the Double Equals to Assert Equality
Use the Triple Equals to Assert Strict Equality
Assert Deep Equality with .deepEqual and .notDeepEqual
Compare the Properties of Two Elements
Test if One Value is Below or At Least as Large as Another
Test if a Value Falls within a Specific Range
Test if a Value is an Array
Test if an Object has a Property
Test if an Array Contains an Item
Test if a Value is a String
Test if a String Contains a Substring
Use Regular Expressions to Test a String
Test if a Value is of a Specific Data Structure Type
Test if an Object is an Instance of a Constructor
Run Functional Tests on API Endpoints using Chai-HTTP
Run Functional Tests on API Endpoints using Chai-HTTP II
Run Functional Tests on an API Response using Chai-HTTP III - PUT method
Run Functional Tests on an API Response using Chai-HTTP IV - PUT method
Run Functional Tests using a Headless Browser
Run Functional Tests using a Headless Browser II