Javascript Concat two array
OnYou can concat array in JavaScript or cancat means you can say merge two variables. For example- var arr1 = [‘A’,’B’,’C’]; var arr2 = [‘D’,’E’]; var result = arr1.concat(arr2); console.log(result);
Category: JavaScript
JavaScript is a high-level, interpreted programming language. Nowadays, It is a most popular programming language in the software industry.
Array.isArray in javascript
Onvar fruits = [“Banana”, “Orange”, “Apple”, “Mango”]; var x = document.getElementById(“demo”); x.innerHTML = Array.isArray(fruits);
ECMA Script 6 in JavaScript
OnECMA script is also know as JavaScript 6(ES6). JavaScript ECMA Script 6 is introduce some of new features. Such as- *JavaScript let *JavaScript Const *Array.find() *Array.findIndex() *Exponentiation *Default parameter values The let statement allow you to declare a variable with block scope…
Create HTML Element and there attributes in JavaScript
OnCreate HTML Element and there attributes in JavaScript Here, I’m going to share how to create all HTML elements and there attributes. //Create Input Text var ele = document.createElement(“input”); ele.type = “text”; ele.className = “form-control form-build”; //Create Input Type Number var ele…
JavaScript Create Dynamic HTML Select Box element and there options
OnJavaScript: Create Dynamic HTML Select Box element and there options If want creating dynamic HTML Select Box use of JavaScript so its very easy to use you can just use this function. function dynamicSelectBox(idForUse,options_value){ //options_value (provided format should be string with comm…
How to get selected option value in JavaScript?
OnHTML Select Box: <select id=”A” name=”A”> <option value=“”>select</option> <option value=“all”>All</option> <option value=“one”>one</option> <option value=“two”>two</option> </select> JavaScript- For…
JavaScript Online Test
OnJavaScript Test: Instruction: Total number of questions : 30. Time allotted : 60 minutes. Each question carry 1 mark, no negative marks. DO NOT refresh the page. All the best :-).
Reset Form with JavaScript Function
OnI going to shared simple JavaScript function for reset all form fields very easily. JavaScript: <script type=“text/javascript”> function reset(){ var demoObj = document.getElementsByClassName(“demo”); for(let i=0;i<demoObj.length;i++){ //set blank for all input type field demoObj[i].value=””; if(demoObj[i].name===“A” || demoObj[i].name===“D”){ …
Use Of indexOf() in JavaScript
OnUse of these function you can get the position of string or array such as- Syntax: array.indexOf(item, start) //For getting position of Array with start number Syntax: array.indexOf(item) //For getting position of Array Syntax: str.indexOf(item) //For getting position of string var arr= [“A”, “B”, “C”, “D”];…
What is a JavaScript?
OnJavaScript is a client-side scripting programming language which we can use for developing an application and plugin and also we can for develop a website with HTML. JavaScript more powerful programming language you can the live example of JavaScript such as- AngularJs,…