Forms are used to handle user input, and allows the user to submit some information.
Forms are to be enclosed within a
<form> tag, with an attribute "action", which points to the script that should be run when a form is submitted.
We don't yet have the tools to process the forms, but in later tutorials, we'll use a back-end server language to do so. :-)
Firstly, we need to make labels for our input fields, which we can with the
<label> tag. We specify which form it's for with the "for" attribute, which is to match with the "id" in our
<input> tag. Now when users click on the label, the focus is placed on the corresponding input.
HTML offers a variety of input elements that we can use to gather data from the user. We use the
<input> element with a "type" attribute.
Additionally, we use the "name" attribute so that we can retrieve the input data once the form is handled. For a standard text box:
<input type="text" name="textbox">
<input type="password" name="password">
<input type="checkbox" checked>
After adding labels for each input field, your form should look somthing like this:
<form> <label for="firstName">First Name</label> <input type="text" name="firstName" id="firstName"> </form>
For a bigger submission box, such as one where you put an "about me", we use the <textarea> tag. It's basically a large, multi-line textbox. The two attributes are "rows" and "cols", specifying the textbox dimensions.
To make select boxes, use the <select> tag.
<select> <option>Banana</option> <option>Kiwi</option> <option>Applie</option> <option>Strawberry</option> </select>
Select your favorite fruit from the following:
To group related objects within a drop-down menu, use <optgroup>
<select> <optgroup label="Swedish Cars"> <option value="volvo">Volvo</option> <option value="saab">Saab</option> </optgroup> <optgroup label="German Cars"> <option value="mercedes">Mercedes</option> <option value="bmw">BMW</option> </optgroup> </select>
Select a car:
And the most important input button, the submit!
After this button is clicked, the page is redirected to wherever the "action" attribute points to.
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