There are many types of HTML form elements for different types of data that can be added or selected by the user.
- See the HTML tutorials: Forms and Input, and New Form elements and attributes in HTML5.


Accessing elements of <form> in JavaScript

There are several ways to access elements of a <form> in JavaScript.
Generally, these methods are used: getElementById(), querySelector(), the syntax: eform['elm_name'], or the eform.elements[index] property.



Forms elements have specific properties and methods that can be used in JavaScript to interact with the user.
- There is a list with useful properties and methods of the elements from <form> at the page:
coursesweb.net/javascript/properties-methods-form-elements

Daily Test with Code Example

HTML
CSS
JavaScript
PHP-MySQL
Which HTML5 tag defines marked text? (can be used to highlight parts of text)
<mark> <embed> <span>
<p>Free corses: <mark>coursesweb.net</mark> for Web Development.</p>
Which CSS pseudo-class adds a style to an element when the mouse is over it?
:focus :hover :active
a:hover {
  font-weight: bold;
  color: #00da01;
}
Click on the function which returns a string value that represents the number rounded to the x digits after the decimal point.
toPrecision(x) toFixed(x) floor(x)
var num = 12.34567;
num = num.toFixed(2);
alert(num);       // 12.35
Indicate the PHP function which reads an entire file into an array.
[) file() readfile()
$arr = file("a_file.txt", FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES);
var_export($arr);
Accessing form fields

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