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Here I’m going to explain what does means by async and await in javascript and node js. Async The async keyword is used to making a function asynchronous. Await The await keyword will ask the execution to wait until the defined task…
JavaScript: 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…
HTML 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 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 :-).
I 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 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”];…
Q1. What is JavaScript? Ans. JavaScript 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…
Q1. What is Ajax? Ans: Ajax is abbreviated as Asynchronous JavaScript and XML. It is a new technique used to create better, faster and more interactive web systems or applications. Ajax uses asynchronous data transfer between the Browser and the web server….
JavaScript 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,…