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val(): Update select multiple no selected statement for 3.0. Fixes #828 #955

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val(): Update select multiple no selected statement for 3.0. Fixes #828 #955

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2b3ebc6
val(): Update select multiple no selected statement for 3.0. Fixes #828
kswedberg Jul 14, 2016
3f3b618
Fix typo
kswedberg Jul 17, 2016
c0cd6b2
Updated methods removed in jQuery 3
AurelioDeRosa Jul 17, 2016
1b230db
jQuery.uniqueSort: Fixed category name
AurelioDeRosa Apr 19, 2016
56358d0
Fix documentation for .val()
aried3r Jul 17, 2016
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Fix documentation for .val()
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@aried3r @kswedberg
aried3r authored and kswedberg committed Jul 17, 2016
commit 56358d08841fc49d842012d82051e9a085471d1e
3 changes: 3 additions & 0 deletions entries/val.xml
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Expand Up @@ -14,6 +14,7 @@
<p>The <code>.val()</code> method is primarily used to get the values of form elements such as <code>input</code>, <code>select</code> and <code>textarea</code>. When called on an empty collection, it returns <code>undefined</code>.</p>
<p>When the first element in the collection is a <code>select-multiple</code> (i.e., a <code>select</code> element with the <code>multiple</code> attribute set), <code>.val()</code> returns an array containing the value of each selected option. <strong>As of jQuery 3.0</strong>, if no options are selected, it returns an empty array; <strong>prior to jQuery 3.0</strong>, it returns <code>null</code>.</p>
<p>For selects and checkboxes, you can also use the <a href="/selected-selector/">:selected</a> and <a href="/checked-selector/">:checked</a> selectors to get at values, for example:</p>
<p><strong>jQuery 3</strong> changes the behavior of this method to return an empty array if a collection is a <code>select-multiple</code> and no options are selected.</p>
<pre><code>
// Get the value from a dropdown select
$( "select.foo option:selected").val();
Expand Down Expand Up @@ -44,6 +45,8 @@ $.valHooks.textarea = {
function displayVals() {
var singleValues = $( "#single" ).val();
var multipleValues = $( "#multiple" ).val() || [];
// When using jQuery 3:
// var multipleValues = $( "#multiple" ).val()
$( "p" ).html( "<b>Single:</b> " + singleValues +
" <b>Multiple:</b> " + multipleValues.join( ", " ) );
}
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