What is package.json in Node.js? Features, Uses and Examples

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  Introduction to package.json  in Node.js When developers start working with Node.js , they often create projects using different libraries, frameworks, and tools. Managing all these project requirements manually can become difficult. This is where the package.json file becomes useful. The package.json file is an important part of almost every Node.js project. It stores essential information about an application, including its name, version, description, dependencies , development tools, and scripts. 2. What is package.json The package.json file is a JSON (JavaScript Object Notation) file used in Node.js projects to store project information and configuration. It works as a project information file that describes the application and tells npm which packages, scripts, and other settings are required. Every Node.js project can have its own package.json file. It is generally located in the root directory of the project. For example , consider a project named m...
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JavaScript If else statement

 JavaScript If..else statement


JavaScript If else statement


What is the JavaScript If else statement.

 1] When the given condition is true, a block of code is executed by the JavaScript if...else statement. 
2] The else block will be Execute in the event that the condition is false. 
3] A program's execution flow may be managed using the if-else statements depending on path.
4] There may be times when you have to choose one path from a list while building a software.
5]  In these situations, you must utilize conditional statements to enable your program to decide what to do and how to do it.

JavaScript If..else statement



Syntax :-


if (expression)
{
//statement evaluated  if condition True
}
else
{
statement evaluated if condition False
}


JavaScript If..else statement

Flowchart :-


JavaScript If..else statement





Q.JavaScript If ..else Statement  check student result.

Example :-


let marks= 90;
if(marks<=95)
{
    console.log("student pass");
}
else
{
    console.log("student failed");
}

Output :-
JavaScript If..else statement



Q.JavaScript If ..else Statement  Even or odd number.

Example :-


let x= 90;
if(x%2==0)
{
    console.log("Even number");
}
else
{
    console.log("odd number");
}

 

Output :-

JavaScript If..else statement

3 Q.JavaScript If ..else Statement  check student eligible for voting or not .

Example :-


let student_age= 21;
if(student_age>=18)
{
    console.log("student Eligible
for voting ");
}
else
{
    console.log("student not Eligible
for voting");
}

Output :-

JavaScript If..else statement


Related Post JavaScript :-

css column gap property

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