entries/checked-selector.xml

<?xml version="1.0"?>
<entry type="selector" name="checked" return="">
  <title>:checked Selector</title>
  <sample>:checked</sample>
  <signature>
    <added>1.0</added>
  </signature>
  <desc>Matches all elements that are checked or selected.</desc>
  <longdesc>
    <p>The <code>:checked</code> selector works for checkboxes, radio buttons, and select elements. For select elements only, use the <code>:selected</code> selector.</p>
  </longdesc>
  <example>
    <desc>Determine how many input elements are checked.</desc>
    <code><![CDATA[
var countChecked = function() {
  var n = $( "input:checked" ).length;
  $( "div" ).text( n + (n === 1 ? " is" : " are") + " checked!" );
};
countChecked();

$( "input[type=checkbox]" ).on( "click", countChecked );
]]></code>
    <css><![CDATA[
  div {
    color: red;
  }
]]></css>
    <html><![CDATA[
<form>
  <p>
    <input type="checkbox" name="newsletter" value="Hourly" checked="checked">

    <input type="checkbox" name="newsletter" value="Daily">
    <input type="checkbox" name="newsletter" value="Weekly">

    <input type="checkbox" name="newsletter" value="Monthly" checked>
    <input type="checkbox" name="newsletter" value="Yearly">
  </p>
</form>
<div></div>
]]></html>
  </example>
  <example>
    <desc>Identify the checked radio input.</desc>
    <code><![CDATA[
$( "input" ).on( "click", function() {
  $( "#log" ).html( $( "input:checked" ).val() + " is checked!" );
});
]]></code>
    <css><![CDATA[
  input, label {
    line-height: 1.5em;
  }
]]></css>
    <html><![CDATA[
<form>
  <div>
    <input type="radio" name="fruit" value="orange" id="orange">
    <label for="orange">orange</label>
  </div>
  <div>
    <input type="radio" name="fruit" value="apple" id="apple">
    <label for="apple">apple</label>
  </div>
  <div>
    <input type="radio" name="fruit" value="banana" id="banana">
    <label for="banana">banana</label>
  </div>
  <div id="log"></div>
</form>
]]></html>
  </example>
  <category slug="selectors/form-selectors"/>
  <category slug="version/1.0"/>
</entry>