Data Structure
Networking
RDBMS
Operating System
Java
MS Excel
iOS
HTML
CSS
Android
Python
C Programming
C++
C#
MongoDB
MySQL
Javascript
PHP
In this tutorial, we will learn the methods to randomize or shuffle a JavaScript array. We can achieve this by using existing shuffle functions in some libraries or algorithms. Let’s move forward to discuss this. Using the Fisher-Yates Algorithm and Destructuring Assignment Here, the algorithm iterates through the array from the last index to the first index. In each looping, it swaps the array values and creates a random permutation of a finite sequence. We can follow the syntax below for using this algorithm. Syntax for (var i=arr.length – 1;i>0;i--) { var j = Math.floor(Math.random() * (i ... Read More
In HTML, forms for user input are created using the tag. The form tag uses a lot of different elements. When submitting a form, the novalidate attribute of the HTML tag is used to indicate that the form-data should not be validated. This attribute is a Boolean one. Following are the examples… Example In the following example we are using novalidate to make the form disabled after getting submitted. DOCTYPE html> Name: ... Read More
When a text selection or draggable element is dropped onto an authorised drop target, the ondrop event is triggered. It is simpler to move an object to a different area by engaging notion of drag and drop. Following are the examples… Example In the following example we are using executing a javascript when the draggable element is dropped in . DOCTYPE HTML> .droptarget { float: left; width: 100px; height: 35px; ... Read More
In HTML, user input is obtained via the tag. The min and max properties, which indicate a maximum and minimum value for an input field, are used to limit the input field. Use the maxlength attribute to restrict the number of characters. Syntax Following are the examples… Example In the following example we are using the maxlength attribute with the input type to allow maximum number of elements. DOCTYPE html> style> body { text-align: center; } ... Read More
The range in which a gauge's value is regarded as low is specified using the HTML | low property. The low attribute's value must be higher than the "min, " lower than the "max, " and equal to or less than the "high" attribute. Note − This can only be used with tag. Syntax Following are the examples… Example In the following example we are using the low attribute in the tag. DOCTYPE html> MSD score: 5 out of 10 ... Read More
The HTML tag is used to add autocomplete functionality to form elements. It offers customers a set of predefined options from which to choose data. A "list" attribute containing "input" element should be used with the "" tag. The datalist id and the value of the "list" attribute are related. Following are the examples… Example In the following example we are using datalist to allow pre defined option for the user. If you press A, it will show a list of cricketers starting with A letter. DOCTYPE html> ... Read More
The language of an element's content can be identified using the HTML lang property. Language code, which is used to specify the language of the displayed information, is the only value for this element. Syntax Following are the examples… Example In the following example we are using lang property to specify the language of the element content. DOCTYPE html> English The Best E-Way Learning. french Le ... Read More
A description list—previously known as a definition list—offers an organised arrangement of a term and its definition. For defining a definition list, the following tags are used − − This is the list of definitions. It stores terms and their definitions as tables of rows and data. − This is the term used to define. It keeps the phrase under definition. − This serves as the description or definition. It contains the definition of a particular term. Using these tags, Following are the examples… Example In the following example we are using , , ... Read More
The contenteditable attribute indicates whether or not an element's content is editable. If the content is found to be editable, the browser will allow editing by modifying its widgets. This attribute must always take one of these two values below − true, or an empty string − indicating that the content is editable false − indicating that the content is not editable If the attribute does not take any of the values mentioned above, it is declared an empty string and will, by default, become an editable content. Note − If an element's contenteditable attribute is not ... Read More
Use the placeholder attribute to let the user know that the required input format is YYYY, and the , min, and max attributes to limit the range of possibilities. To the first argument of a new Date, pass the value or valueAsNumber during the input event () Following are the examples… Example In the following example we are using placeholder to mention that the input type is year. DOCTYPE html> document.querySelector("input[type=number]") .oninput = e => console.log(new Date(e.target.valueAsNumber, 0, ... Read More