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<html><body><p id="demo">This is a paragraph.</p><select onchange="myFunction(this);" size="13"> <option>normal</option> <option>bold</option> <option>bolder</option> <option>lighter</option> <option>100</option> <option>200</option> <option>300</option> <option>400</option> <option>500</option> <option>600</option> <option>700</option> <option>800</option> <option>900</option></select> <script>function myFunction(selectTag) { var listValue = selectTag.options[selectTag.selectedIndex].text; document.getElementById("demo").style.fontWeight = listValue;}</script></body></html>