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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html head Tag

html head Tag           

web designing theory

Head section

   The head section container set of elements that provide the metadata for the document. This the metadata can be specify the title element, character set, author, description or keywords of  web page (meta element), a style sheet or relational information (link element) or embedded style declarations (style element), among others. The presence of  title element is mandatory to the inside the head section of  HTML document. Most metadata  not displayed in the browser (although  title usually appears in the browser's title bar) it can be useful for the functionality of the page.

Syntax:

 The <head> tag is written as <head></head> with the metadata content enclosed between the start and end tags. The <head> tag  placed between  opening and closing <html> tags. Most HTML pages must have a <title> tag within the <head> tag.


<!doctype html>

<html>

<head>

<title> Page ...</title>

</head>

<body>

Page body...

</body>

</html>

the HEAD element, only to the certain elements are allowed. Information to the HEAD element may include to the following elements (arranged alphabetically)

1. Base Element  

The <base> element specifies the base URL and/or target for all relative URLs in a page. It is used either a href or a target attribute present, or both.

 Syntax

<base> is written as <base href="" target="">. It is used either a href attribute or

Example

Specified a default URL and a default target for links on  page: 

<html>

<head>

<base href="http://google.com/docs/mypage.html" target="_blank">

</head>

<body>

<h1>The base element</h1>

<P>the head section</p>

<p> specified a relative address.specified a base URL in head section</p>

<img src="images/about.gif">

</body>

</html>


2. ISINDEX

The ISINDEX element informs to HTML user agent the document is an index document. The document  queried with  keyword search by adding a question mark to the end of the document address, followed by a list of keywords separated by plus signs.The URL use for processing querie can be overrid with the HREF attribute. 

 <ISINDEX HREF="Personal.db" PROMPT="Enter Surname : ">



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