CODE EXAMPLE FOR HTML

how to check password and retype password in html

<label>password :
  <input name="password" id="password" type="password" onkeyup='check();' />
</label>
<br>
<label>confirm password:
  <input type="password" name="confirm_password" id="confirm_password"  onkeyup='check();' /> 
  <span id='message'></span>
</label>
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