Imtiaz Rayhan

In JavaScript, a map is a collection of key-value pairs that can be used to store and organize data. Maps are similar to objects, but they provide additional functionality like iteration and the ability to use any data type as a key. Maps and objects are similar, but there are some key differences between them:…

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In JavaScript, objects are reference types, while primitive types (like numbers, strings, and booleans) are value types. This means that when we pass an object to a function or assign it to a new variable, the object is not copied, but a reference to the object is passed or assigned. Here is an example that…

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In JavaScript, an object is on of the data types and it is a collection of key-value pairs that represent a collection of data or functionality. Objects can be used to store and organize data, and to define functions and methods that can be used to perform actions on the data. Here is an example…

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In JavaScript, timers and intervals are used to schedule the execution of code at a specific time or at regular intervals. Timers and intervals are commonly used to perform actions like updating a countdown timer, or checking for new data from a server. There are two types of timers and intervals in JavaScript: setTimeout() and…

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In JavaScript, a case switch is a control statement that is used to execute different code depending on the value of a given expression. A case switch uses the switch keyword followed by an expression to evaluate, and a series of case and default statements to specify the code to be executed for each possible…

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A ternary is a conditional operator in JavaScript that allows us to concisely write a conditional statement. Ternaries use the syntax condition ? value1 : value2, where condition is a boolean expression, value1 is the value to be returned if the condition is true, and value2 is the value to be returned if the condition…

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