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Phone Link Accessibility Dilemma

A Pen By Matt Smith

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HTML

            
              <h1>Phone link accessibility dilemma</h1> 

<p><a href="https://www.w3.org/TR/WCAG20-TECHS/F73.html">WCAG 2.0 guidelines</a> state that links should be underlined. But, in the case of a phone number, it doesn't make a lot of sense to show it as a link on a non-mobile screen. And, screen readers will read it as a link.</p>

<p>An alternative would to use a <code>&lt;span&gt;</code> for the phone number and then replace it with an <code>&lt;a&gt;</code> at a specific screen size:</p>

<div>
  <span>555-555-5555</span>
</div>
<div id="myTel">
  <span id="num">555-555-5555</span>
</div>

<p>Both numbers start as a <code>&lt;span&gt;</code>, but the second number has been changed to an <code>&lt;a&gt;</code> in the DOM because its container is a specific size. Now screen readers will only read the number as a link when appropriate.</p>
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CSS

            
              body {
  font: 1.4em/1.75 sans-serif;
  margin: 1em;
}

h1 {
  font-size: 1.5em;
  margin-bottom: .5em;
}

p {
  margin-bottom: 1.5em
}

a {
  color: #006fc6;
  font-weight: 600;
  text-decoration: underline solid #8cc8ff;
}

a:hover {
  text-decoration: underline solid #006fc6;
}

div {
  display: inline-block;
  margin-bottom: 1.5em;
  margin-right: 1.5em;
}

#num {
  max-width: 699px;
}
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JS

            
              (function () {
  if ($("#myTel").width() <= 700) {
    $("#num").replaceWith(function () {
      return $("<a href='tel:" + $(this).html() + "'>" + $(this).html() + "</a>");
    });
  }
}());
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