Let's iterate through an HTML form, its fields, and its values. Show the value and the text of the selected option. Working with forms will be much more convenient when we learn them. Disabling all form elements. HTMLFormElement.lengthRead only 1. We’ll meet many examples further in the tutorial. There are two specific element types: FieldElement; GroupElement; The Element class is a read-only base class which has no constructor. That’s simple: defaultSelected sets HTML-attribute, that we can get using option.getAttribute('selected'). The elements are placed on the HTML form using CSS via their style attribute. . As the term form implies, these are almost always used to collect data the user inputs for further processing. In this document, we have discussed JavaScript Form Validation using a sample registration form. To access the elements of a form in Javascript, one can use the methods of DOM or chaining the names (or identifiers) of the elements and subelements starting from the root object which is document. Input changed, get the form element permalink. JavaScript provides a way to validate form's data on the client's computer before sending it to the web server. The browser ignores it contents, only checks for syntax validity, but we can access and use it in JavaScript, to create other elements. HTML form elements have an attribute called disabled that can be set using javascript. Note, if you’ve done everything right, your alert should show blues. These are the basics to start working with forms. What’s special about