Rule 1.1.3
Summary
This test consists in checking whether each form button is defined with an "alt" attribute
Business description
Criterion
Test
Description
Chaque bouton de formulaire (balise input avec l'attribut type="image") a-t-il un attribut alt ?
Level
A
Technical description
Scope
page
Decision level
Decidable
Algorithm
Selection
Set1
All the <input> tags with a "type" attribute equals to "image" (css selector : input[type=image])
Process
Test1
For each element of Set1, test the presence of an "alt" attribute.
For each occurrence of false-result of Test1, raise a MessageA
MessageA
- code : AltMissing
- status: Failed
- parameter :
"src"attribute, tag name, snippet - present in source : yes
Analysis
Passed
All the <input> tags with a "type" attribute equals to "image" of the page have an "alt" attribute (Test1 returns true for all the elements of Set1)
Failed
At least one <input> tag with a "type" attribute equals to "image" has no "alt" attribute (Test1 returns failed for at least one element)
Not Applicable
The page has no <input> tag with a "type" attribute equals to "image" tag (Set1 is empty)