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Scope Scope determines the accessibility (visibility) of variables. Variables declared within a JavaScript function, become LOCAL to the function whereas variables declared outside a function, become GLOBAL ie. all scripts and functions on …
Arrays store more than one value and can be of any data type. The array is created with the help of a square bracket. The size of an array is not fixed we can increase and decrease the size of an arra…
Let's get started.. First, I will explain what are keys in DBMS? A key in an attribute or set of attributes uniquely identifies any record from the table. It is also used to establish and identify …
What are variables? Variables are used to temporarily store values that are needed for a specific purpose in the program. For example, you might use a variable to store the user's name when they enter it into a form, or to keep track of the…
What is Java Script? JavaScript is a high-level, interpreted programming language that is primarily used for client-side web development. It is a dynamically typed language, meaning that variables can…
The flexbox or flexible box model in CSS is a one-dimensional layout model that has flexible and efficient layouts with distributed spaces among items to control their alignment structure ie., it is a layout model that provides an easy and …
JavaScript is a synchronous (Moves to the next line only when the execution of the current line is completed) and single-threaded (Executes one command at a time in a specific order one after another serially) language. To know behind the s…
if statement: The if statement executes a block of code if the condition is true. so from the diagram, we can get to know if the condition is true then only it will enter the if block and execute tha…
What is a Function in JavaScript? A function is a block of reusable code written to perform a specific task.You can think of a function as a sub-program within the main program. A function consists of a set of statements but executes as a s…
Objects are important data structures in JavaScript. This is partly because arrays are objects in JavaScript, and you'll use them all the time. What is a JavaScript Object? Objects let you group related data together and split code into log…
