Cloud4C Full Stack Software Developer Interview Questions, Process, and Tips

clearInterval is a method used to stop the execution of setInterval() method.

• clearInterval() method is used to stop the execution of setInterval() method.

• It takes the ID returned by setInterval() method as a parameter.

• The ID is used to identify the setInterval() method to be stopped.

• Once clearInterval() is called, the setInterval() method stops executing.

Shallow DOM is a subset of the Virtual DOM that represents a single level of the component tree.

• Shallow DOM is a lightweight representation of the Virtual DOM.

• It only includes the top-level elements of a component tree.

• Virtual DOM is a complete representation of the component tree.

• It includes all the elements and their properties.

• Virtual DOM is used to optimize rendering performance.

• Shallow rendering is used for unit t

Indexing in MongoDB is a way to optimize queries by creating a data structure that improves search speed.

• Indexes are created on specific fields in a collection

• They can be created in ascending or descending order

• Indexes can be compound, meaning they are created on multiple fields

• Queries that use indexed fields are faster than those that don't

• Indexes can be created using the createIndex() method

Git slash command refers to the commands used in Git that start with a forward slash (/).

• Git slash commands are used to perform specific actions in Git.

• Examples of Git slash commands include /merge, /rebase, and /cherry-pick.

• These commands are often used in conjunction with other Git commands to complete tasks.

Closures are functions that have access to variables in their outer scope.

• Closures are created when a function is defined inside another function.

• The inner function has access to the outer function's variables, even after the outer function has returned.

• Closures can be used to create private variables and methods in JavaScript.

• Example: function outer() { var x = 10; function inner() { console.log(x); } return inner; }