International JavaScript Conference 2021—Global Conference Series for Fullstack JS...

iJS is a global conference series for fullstack JS development. The conference takes place three times a year in London, New York and Munich. iJS covers all the topics from JavaScript Practices & Tools to its frameworks like Angular, React, Node.js, Vue.js and more. From beginner-friendly sessions to elaborated topics on the latest trends. Ideal for experts and newcomers alike!

😊 Come, join us at the next International JavaScript Conference | https://javascript-conference.com/​
👉 Follow us on Twitter | https://twitter.com/javascriptcon​
👍 Like us on Facebook | https://www.facebook.com/JavaScriptCon​

#javascript #fullstack js

International JavaScript Conference 2021—Global Conference Series for Fullstack JS...

International JavaScript Conference 2021—Global Conference Series for Fullstack JS...

iJS is a global conference series for fullstack JS development. The conference takes place three times a year in London, New York and Munich. iJS covers all the topics from JavaScript Practices & Tools to its frameworks like Angular, React, Node.js, Vue.js and more. From beginner-friendly sessions to elaborated topics on the latest trends. Ideal for experts and newcomers alike!

😊 Come, join us at the next International JavaScript Conference | https://javascript-conference.com/​
👉 Follow us on Twitter | https://twitter.com/javascriptcon​
👍 Like us on Facebook | https://www.facebook.com/JavaScriptCon​

#javascript #fullstack js

International JavaScript Conference 2021—Global Conference Series for Fullstack JS...

Ajay Kapoor

1626321063

JS Development Company India | JavaScript Development Services

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Our JavaScript development companies offers you strict NDA, 100% money back guarantee and agile/DevOps approach.

#javascript development company #javascript development services #javascript web development #javascript development #javascript web development services #javascript web development company

JS Development Company India | JavaScript Development Services

Grokking Call(), Apply() and Bind() Methods in JavaScript

These functions are very important for every JavaScript Developer and are used in almost every JavaScript Library or Framework. Check out the code snippet below.

Taken from the very popular library Lodash

/**
	* Creates a function that invokes `func` with arguments reversed.
	*
	* @since 4.0.0
	* @category Function
	* @param {Function} func The function to flip arguments for.
	* @returns {Function} Returns the new flipped function.
	* @see reverse
	* @example
	*
	* const flipped = flip((...args) => args)
	*
	* flipped('a', 'b', 'c', 'd')
	* // => ['d', 'c', 'b', 'a']
	*/
	function flip(func) {
	  if (typeof func !== 'function') {
	    throw new TypeError('Expected a function')
	  }
	  return function(...args) {
	    return func.apply(this, args.reverse())
	  }
	}

	export default flip

Look at the statement on line 21, return func.apply(this, args.reverse())

In this article, we will have a look at the call()apply() and bind() methods of JavaScript. Basically these 3 methods are used to control the invocation of the function. The call() and apply() were introduced in ECMAScript 3 while bind() was added as a part of ECMAScript 5.

Let us start with an example to understand these.

Suppose you are a student of X university and your professor has asked you to create a math library, for an assignment, which calculates the area of a circle.

const calcArea = {
	  pi: 3.14,
	  area: function(r) {
	    return this.pi * r * r;
	  }
	}

calcArea.area(4); // prints 50.24


You test this and verify its result, it is working fine and you upload the library to portal way before the deadline ends. Then you ask your classmates to test and verify as well, you come to know that that your result and their results mismatches the decimals precision. You check the assignment guidelines, Oh no! The professor asked you to use a constant **pi** with 5 decimals precision. But you used **3.14** and not **3.14159** as the value of pi. Now you cannot re-upload the library as the deadline date was already over. In this situation, **call()** function will save you.

#js #javascript-development #javascript #javascript-interview #javascript-tips

Grokking Call(), Apply() and Bind() Methods in JavaScript

Rahul Jangid

1622207074

What is JavaScript - Stackfindover - Blog

Who invented JavaScript, how it works, as we have given information about Programming language in our previous article ( What is PHP ), but today we will talk about what is JavaScript, why JavaScript is used The Answers to all such questions and much other information about JavaScript, you are going to get here today. Hope this information will work for you.

Who invented JavaScript?

JavaScript language was invented by Brendan Eich in 1995. JavaScript is inspired by Java Programming Language. The first name of JavaScript was Mocha which was named by Marc Andreessen, Marc Andreessen is the founder of Netscape and in the same year Mocha was renamed LiveScript, and later in December 1995, it was renamed JavaScript which is still in trend.

What is JavaScript?

JavaScript is a client-side scripting language used with HTML (Hypertext Markup Language). JavaScript is an Interpreted / Oriented language called JS in programming language JavaScript code can be run on any normal web browser. To run the code of JavaScript, we have to enable JavaScript of Web Browser. But some web browsers already have JavaScript enabled.

Today almost all websites are using it as web technology, mind is that there is maximum scope in JavaScript in the coming time, so if you want to become a programmer, then you can be very beneficial to learn JavaScript.

JavaScript Hello World Program

In JavaScript, ‘document.write‘ is used to represent a string on a browser.

<script type="text/javascript">
	document.write("Hello World!");
</script>

How to comment JavaScript code?

  • For single line comment in JavaScript we have to use // (double slashes)
  • For multiple line comments we have to use / * – – * /
<script type="text/javascript">

//single line comment

/* document.write("Hello"); */

</script>

Advantages and Disadvantages of JavaScript

#javascript #javascript code #javascript hello world #what is javascript #who invented javascript

What is JavaScript - Stackfindover - Blog
Marlon  Boyle

Marlon Boyle

1589666940

Node.js - Knowing the Global Objects

For web browsers, we have a window object. It provides the “browser window” functionality, and also play the role of a global object. In those web browsers, when scripts create global variables, they’re created as members of the global object(window object). In Node.js, This is not the case.

#javascript #node.js #javascript modules #js #nodejs

Node.js - Knowing the Global Objects