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{ 'name': 'Basic HTML guidelines.'
, 'description': 'A selection of simple HTML guidelines for improved usability and consistency.'
, 'rules': [
//---
{ 'id': 1001801
, 'name': 'All input fields have exactly one label.'
, 'description': '<p>Screen readers rely on HTML attributes to identify the purpose '
+ "of form widgets on-screen. These tools use label tags with 'for' "
+ 'attributes that specify the id of the form element they pertain to. '
+ 'Some of the components of this web page do not have those labels.</p>'
, 'rule':
function() {
fiveui.query(':input').each(
function(i, elt) {
if (elt.id) {
var $label = fiveui.query("label[for='" + elt.id + "']");
if (1 < $label.size()) {
report('Form element has too many labels', elt);
}
if (0 == $label.size()) {
report('Form element has no label', elt);
}
}
});
}
},
//---
{ 'id': 1001802
, 'name': "Don't use empty headings."
, 'description': 'Empty headings confuse layout.'
, 'rule':
function() {
fiveui.query(':header').each(
function(i, elt) {
if ($(elt).text() == '') {
report('Heading is empty', elt);
}
});
}
},
//---
{ 'id': 1001803
, 'name': "Don't use empty hrefs."
, 'description': "Links with no text can't generally be used."
, 'rule':
function() {
fiveui.query('a').each(
function(i, elt) {
if ($(elt).text() == '' && elt.title == '') {
report('Link has no text', elt);
}
});
}
}//,
]
}
|
