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ÈçÐè´´½¨»¬¿é£¬ÇëʹÓà <input type="range">£º

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<form method="post" action="demoform.asp">
  <div data-role="fieldcontain">
    <label for="points">Points:</label>
    <input type="range" name="points" id="points" value="50" min="0" max="100">
  </div>
</form>

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  • max - ¹æ¶¨ÔÊÐíµÄ×î´óÖµ
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  • step - ¹æ¶¨ºÏ·¨µÄÊý×Ö¼ä¸ô
  • value - ¹æ¶¨Ä¬ÈÏÖµ

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<input type="range" data-hightlight="true">

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ÈçÐè´´½¨Çл»£¬ÇëʹÓà data-role="slider" µÄ <select> ÔªËØ£¬²¢Ìí¼ÓÁ½¸ö <option> ÔªËØ£º

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<form method="post" action="demoform.asp">
  <div data-role="fieldcontain">
    <label for="switch">Toggle Switch:</label>
    <select name="switch" id="switch" data-role="slider">
      <option value="on">On</option>
      <option value="off">Off</option>
    </select>
  </div>
</form>

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Ìáʾ£ºÇëʹÓà "selected" ÊôÐÔÀ´°ÑÑ¡ÏîÖ®Ò»ÉèÖÃΪԤѡ£¨Í»³öÏÔʾ£©£º

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<option value="off" selected>Off</option>

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