I am sharing a simple example here that explains how easily you can save your form data in a text file or in a .txt file using JavaScript. ...
The map() function creates a new array from another array. It uses the same elements from the parent array and creates a new array of elements by calling a function. In many different ways you can use ...
You can use the XMLHttpRequest object in JavaScript to read and extract data from an external JSON file. I have explained this in detail in one of my previous posts. Now here in this post I am sharing ...
There are many ways you can extract or get numbers of a string in JavaScript. One of the simplest ways of extracting numbers from a given string in JavaScript is using Regex or Regular Expressions ...
You can use the CSS “content” property to add contents in your web page. However, this property can only be used with pseudo elements like ::before and ::after. ...
“variable is undefined” says the browser console. It’s an error message, which indicates that a variable inside a JavaScript code is declared but has no value. It’s a very common ...
A DIV element on a webpage can have different types of elements showing data in many forms. The DIV serves as a container. Now, sometimes you might want to look for elements in a DIV with id’s that ...
You can use plain JavaScript methods to check if a checkbox or multiple checkboxes on a webpage are checked or not. There’s no need to use any library like jQuery etc. for this purpose. In-fact ...
You can use the JSON.parse() method in JavaScript, to convert a JSON string into a JSON object. JSON is a commonly used data format for exchanging data between a server and web applications. It can be ...
You can use the children property of the getElementById() method in JavaScript to get or extract the unique ids of all the DIV elements inside a DIV element. The “name of the property” itself says ...
