#Functions

11 questions

• What is the difference between a function declaration and a function expression?JavaScript#functionsJunior›
• How is the value of `this` determined?JavaScript#functionsMiddle›
• How do arrow functions differ from regular functions?JavaScript#functionsMiddle›
• What is a higher-order function?JavaScript#functionsMiddle›
• What is currying and partial application?JavaScript#functionsSenior›
• How do function parameters and default arguments work?Python#functionsJunior›
• What are decorators and how do you write one?Python#functionsMiddle›
• What are *args and **kwargs?Python#functionsMiddle›
• What are lambdas and the functional tools map/filter/reduce?Python#functionsMiddle›
• How do you define functions with types and defaults?PHP#functionsJunior›
• What are closures and callables in PHP?PHP#functionsMiddle›