Data Structure
Networking
RDBMS
Operating System
Java
MS Excel
iOS
HTML
CSS
Android
Python
C Programming
C++
C#
MongoDB
MySQL
Javascript
PHP
In HTML, we can create form to accept and store information entered by the user with the help of various elements. These elements are also known as form elements for e.g.: textfield (textbox), radio buttons, checkboxes, drop down or combo box, reset and submit buttons. TextArea is one of the elements that can be created within a form. The textarea is used as a multiline control wherein a user can enter data in many rows and columns. The TextArea control is used for purposes like entering remarks, suggestions, address information, body of e-mail, comments etc. where the size of text ... Read More
While developing the applications, sometimes it needs to compare the only date. For example, you are developing some apps in which users must adhere to the deadline and pay for the subscription. If the user pays at any time on or before the end date of the subscription, the user will be able to use the subscription continues. Otherwise, you need to stop the subscription. In this tutorial, we will learn to compare only the date part without comparing the time in JavaScript. In the above cases, we need to compare the two dates without focusing on the time. Approach ... Read More
In this tutorial, we will learn to come out of a switch case in JavaScript. The switch-case statement is the advanced version of the too many complicated if-else statements. Suppose that in the code, you apply too many conditions to the if-else statement; it will become complicated. Users can see the example of too many if-else here. if( condition 1) { // some code } else if( condition 2 ) { // some code for this block } else if( condition 3 ) { // some code for this block } ... Read More
In this tutorial, we will learn to clear all cookies using JavaScript. The cookies are the text or data stored in the format of text files in the browser or user's computer, and it is one kind of cache memory. The developer can store the username, authentication tokens, etc., in the browser's cookies. When a user visits the webpage for the first time, it retrieves the user information from the server and stores it in the cookie format in the browser. After that, when a user visits the webpage again, it retrieves the required data from cookies instead of the ... Read More
A simple wrapper object is the number. Numerous methods and constants are available when using the Number function Object() { [native code] }. The Number() method may be used to transform values of different kinds into numbers. The IEEE 754 double-precision 64-bit binary value type is used in JavaScript. This indicates that it can represent fractional values, but the amount of data it can hold is constrained. Arithmetic is vulnerable to rounding, and a number only retains roughly 17 decimal places of precision. A Number may carry a maximum value of around 1.8E308. Higher values are substituted with the ... Read More
In this tutorial, we will learn to make the print button without using JavaScript. Most of you have seen the print button on any website or application, and when users click on the print button, it prints the whole webpage or any particular file. However, the HTML doesn’t contain the print method. We can use the print() method of the window object. The window object is the global object, which can be accessed anywhere inside the code. So, either user can invoke the window.print() method from the JavaScript or HTML code.Syntax Users can follow the syntax below to invoke JavaScript's ... Read More
We humans can understand how the date and time are divided and printed. On theother hand, JavaScript interprets the date based on a timestamp generated from Unix time, which is a value made up of milliseconds. JavaScript Platform-independent date objects represent a single point in time. A millisecond counter has been included in Date objects since January 1, 1970 UTC. YYYY-MM-DD is the most used JavaScript date format. Timed Dates YYYY-MM-D DTHH:MM:SSZ. A date data type is not available in JavaScript. Dates can be set, obtained, and changed using various methods provided on the Date object in JavaScript. In ... Read More
In this tutorial, we will see how to extract the hostname portion of a URL in JavaScript. What is a URL? An alternative term for a web address is a URL. For example, tutorialpoints.com is a word-based URL. An IP address can also be used as a URL (ex. 192.168.2.24). Since names are simpler to recall than numbers, most users submit the name’s address when searching on the internet A URL is a method by which web browsers ask web servers for specific pages. The syntax/format of a URL is given below. Syntax scheme://prefix.domain:port/path/filename Parameters scheme − specifies ... Read More
Calling a function from a string, stored in a variable can be done in two different ways. The first approach makes use of the window object method, and the second method makes use of the eval() function. This tutorial will guide you to learn the way to execute a JavaScript function using its name as a string. Using the window[]() Method Here, to execute the function using the function name as a string, the string should be changed to a pointer using the following syntax. Syntax var functionName = "string"; functionName = window[functionName]( parameters ); Here we have stored ... Read More
What is a function in JavaScript? The JavaScript equivalent of a process is a function. A process is a series of instructions for carrying out a task or calculating a value. However, a process must accept input and produce a result to be considered a function. Additionally, there should be a clear connection between the input and the output. Follow the syntax below to define a function This tutorial will guide you to learn the way to execute a JavaScript function using its name in a variable. Syntax function functionName( param1, param2, param3 ) { //code } ... Read More