Manikanth Mani has Published 71 Answers

How can I format numbers as dollars currency string in JavaScript?

Javascript Web Development Front End Technology

Published on 25-Jan-2018 12:58:30

To format numbers as dollar current string, use number formatter, which is part of the Internationalization API.ExampleYou can try to run the following code to format numbers as dollars currency stringLive Demo<!DOCTYPE html> <html> <body> <p> Formatting 150 as US dollars (US$): ... Read More

How to delete a setter using the delete operator in JavaScript?

Javascript Web Development Front End Technology

Manikanth Mani

Published on 25-Jan-2018 12:43:41

To delete a setter using the delete operator, use the delete keyword. Here’s how you can delete −delete obj.nameExampleYou can try to run the following code to learn how to delete a setterLive Demo<html> <body> <script> var department = { ... Read More

What is function() constructor in JavaScript?

Javascript Web Development Front End Technology

Manikanth Mani

Published on 25-Jan-2018 12:34:07

The function() constructor is used in JavaScript to create a new function object. The objects created are parsed when the function is created.ExampleYou can try to run the following code to learn how to work with function() constructorLive Demo<html> <body> <script> var ... Read More

What is the difference between rest parameters and the arguments object in Javascript?

Javascript Web Development Front End Technology

Manikanth Mani

Published on 25-Jan-2018 12:20:15

Rest parametersWith rest parameter, you can represent a number of arguments as an array. ES6 brought rest parameter to ease the work of developers. For arguments objects, rest parameters are indicated by three dots … and precedes a parameter.Arguments objectArguments object in JavaScript is an object, which represents the arguments ... Read More

How to set cell width and height in HTML?

HTML Web Development Front End Technology

Manikanth Mani

Published on 18-Jan-2018 14:14:03

To set the cell width and height, use the CSS style. The height and width attribute of the <td> cell isn’t supported in HTML5. Use the CSS property width and height to set the width and height of the cell respectively.Just keep in mind, the usage of style attribute overrides ... Read More

How to create tables in HTML?

HTML Web Development Front End Technology

Manikanth Mani

Published on 18-Jan-2018 11:44:09

To create table in HTML, use the <table> tag. A table consist of rows and columns, which can be set using one or more <tr>, <th>, and <td> elements. A table row is defined by the <tr> tag. To set table header, use the <th> tag. For a table cell, ... Read More

How to set src to the img tag in html from the system drive?

Javascript Web Development Front End Scripts

Manikanth Mani

Published on 18-Jan-2018 10:49:25

To use an image on a webpage, use the <img> tag. The tag allows you to add image source, alt, width, height, etc. The src is to add the image URL. The alt is the alternate text attribute, which is text that is visible when the image fails to load.With ... Read More

How do I replace a character at a particular index in JavaScript?

Javascript Web Development Front End Technology

Manikanth Mani

Published on 17-Jan-2018 16:23:24

To replace a character at a particular index in JavaScript, you can try to run the following codeExampleLive Demo<html> <head> <title>JavaScript Boolean</title> </head> <body> <script> var str = "cric"; document.write("Original String: "+str); ... Read More

How do I compare String and Boolean in JavaScript?

Javascript Web Development Front End Technology

Manikanth Mani

Published on 17-Jan-2018 16:06:00

To compare string and Boolean in JavaScript, let us see the following examples. It returns true −false == "0"; //true true == "1"; //true false == ""; //trueThe followings returns false −false == "false"; //false true == "true"; //falseIn addition, try the following example too −var data = true; data ... Read More

How to get the first index of an occurrence of the specified value in a string in JavaScript?

Javascript Web Development Front End Technology

Manikanth Mani

Published on 17-Jan-2018 15:52:43

To get the first index of an occurrence of the specified value in a string, use the JavaScript indexOf() method.ExampleYou can try to run the following code to get the first index −Live Demo<html> <head> <title>JavaScript String indexOf() Method</title> </head> <body> ... Read More