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HTML Code

<!DOCTYPE html>
<html>
<head>
  <style>#point::after{content:"\2194"}</style>
</head>
<body>
  <h1>Left Right Arrow (U+2194)</h1>
  <p>Hex: &#x2194;</p>
  <p>Decimal: &#8596;</p>
  <p>Named: &harr;</p>
  <p id=point>CSS: </p>
  <p>A &harr; B</p>
</body>
</html>

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HTML Entity for Left Right Arrow (U+2194)