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正直言って、私は今日までに決してJavascriptに触れていません。基本的な検索で私はいくつかのスクリプトが変更機能を使用しているのを見ましたが、サンプルは非常に特殊なようです（.indexOfを使用し、数値/テキストボックスの変更はここでは適用されません）。ドロップダウンオプションを選択してドロップダウンオプションを選択
あなたはそこのコードを無視することができます。基本的に私が探しているのは、1（病気）がはいになったとき、6つのオプションが患者に、6（poster_type）の値が患者の場合に7がはいとして選択されたときです。
誰かが私に変更機能を教えてもらえればそれもいいでしょう。あなたはvalを（）で、現在の値を取得することができます次に
$('select[name=disease]').on('change', function(e){
// here the user have changed the value
});
：
$('select[name=disease]').val();
// yes or no
ヴァルがある
$('select>option[value="Neutral"]').prop('selected', true);
$('select>option[value="No"]').prop('selected', true);<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<!DOCTYPE html><html><head><title>HIT</title><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/><script type='text/javascript' src='https://s3.amazonaws.com/mturk-public/externalHIT_v1.js'></script></head><body><form name="mturk_form" method="post" id="mturk_form" action="https://www.mturk.com/mturk/externalSubmit"><input type="hidden" value="" name="assignmentId" id="assignmentId" /><style type="text/css">.surveyLabel {
\t font-family: Georgia, Garamond, serif;
\t font-size: 16px;
\t line-height: 26px;
\t font-weight: bold;
\t color: white;
\t text-align: center;
\t background-color: rgb(66, 139, 202);
}
.postHead {
\t width: 90%;
\t position: fixed;
\t left: 30%;
\t margin-left: -24%;
\t z-index: 1000;
\t padding: 5px;
\t font-family: Verdana, Geneva, sans-serif;
\t color: #333333;
\t font-size: 0.9em;
}
.panelBodyFloat {
\t height: 100px;
\t width: 100%;
\t border: 1px solid rgb(204, 204, 204);
\t align-content: center;
\t overflow: auto;
}
.instruction {
\t width: 90%;
\t left: 30%;
\t margin-left: -24%;
\t position: relative;
\t z-index: -1;
\t margin-bottom: 15px;
\t margin-top: 200px;
\t padding: 10px;
\t font-family: Verdana, Geneva, sans-serif;
\t color: #333333;
\t font-size: 0.9em;
}
h4.surveyHeader {
\t font-family: Georgia, Garamond, serif;
\t font-size: 16px;
\t line-height: 26px;
\t font-weight: bold;
\t color: white;
\t text-align: center;
\t background-color: rgb(66, 139, 202);
}
</style>
<!-- Bootstrap v3.0.3 -->
<link href="https://s3.amazonaws.com/mturk-public/bs30/css/bootstrap.min.css" rel="stylesheet" />
<p> </p>
<section class="postHead" id="GSKSurvey" style="align-content: center;">
<div class="panel panel-primary">
<div class="panel-heading"><b>Post</b></div>
<div class="panelBodyFloat">
<p>mewilling I agree, mewilling. I would love to have a doctor or researcher post on our website. Maybe [FirstName] could work on this. pj</p>
</div>
</div>
</section>
<!-- Instructions -->
<p> </p>
<p> </p>
<p> </p>
<p> </p>
<p> </p>
<p> </p>
<p> </p>
<p> </p>
<section class="container" id="Survey">
<div class="row col-xs-12 col-md-12">
<div class="panel panel-primary">
<div class="panel-heading surveyLabel"><b>Instructions</b></div>
<div class="panel-body">
<p>Please answer the following questions based on the post shown. Each post should take about 1-3 minutes.</p>
<p><b>Please note:</b> Blank submissions, or not fully answering questions, will result in rejection of the HIT and the worker being blocked from future HITS. Thank you for your hard work and happy turking!</p>
<p><b>Contact us:</b> [email protected]</p>
</div>
</div>
</div>
</section>
<p> </p>
<section class="container" id="SurveyContinue">
<div>
<h4 class="surveyHeader">Questions</h4>
<section>
<fieldset>
<p><strong>1. Does the post specifically mention COPD or Asthma in a medically relevant context?</strong></p>
<p><b>COPD Definition:</b> Chronic obstructive pulmonary disease (COPD) is a lung disease characterized by chronic obstruction of lung airflow that interferes with normal breathing and is not fully reversible. If the post mentions COPD or asthma specifically, then answer "Yes", otherwise, answer "No".</p>
<p><b>Answer this question, even if it is "No", otherwise your HIT will be rejected!</b></p>
<p><select class="form-control" name="disease"><option value="-1">- Please Select -</option><option value="0">No</option><option value="1">Yes</option> </select></p>
</fieldset>
<fieldset>
<p><strong>Are any of the following products mentioned?</strong></p>
<p>2. Anoro<br />
<select class="form-control" name="anoro"><option selected="selected" value="0">No</option><option value="1">Yes</option> </select></p>
<p>3. Breo<br />
<select class="form-control" name="breo"><option selected="selected" value="0">No</option><option value="1">Yes</option> </select></p>
<p>4. Incruse<br />
<select class="form-control" name="incruse"><option selected="selected" value="0">No</option><option value="1">Yes</option> </select></p>
<p>5. Advair<br />
<select class="form-control" name="advair"><option selected="selected" value="0">No</option><option value="1">Yes</option> </select></p>
</fieldset>
<hr />
<h3>If <i><u>all the answers</u></i> for questions 1-5 were NO, please skip the remaining questions, go to the bottom of the page and click submit. Otherwise, please answer the remaining questions fully before submitting.</h3>
<hr />
<fieldset>
<p><strong>6. Who is speaking in the post? </strong></p>
<p><select class="form-control" name="poster_type"><option selected="selected" value="Unknown">Unknown</option><option value="Patient">Patient</option><option value="HCP">Health care provider (HCP)</option><option value="Friend_Family">Friend or Family Member</option> </select></p>
<p><b>HCP Definition:</b> An HCP includes doctors, nurses, pharmacists and other professional health care providers.</p>
</fieldset>
<hr />
<fieldset>
<p><strong>7. If the patient is speaking, are they talking about their own experience in the post? </strong></p>
<p><b>Hint:</b> Yes if poster talks about own health state, not about a third person or another patient. No if poster is talking about someone other than themselves or unknown.</p>
<p><select class="form-control" name="patient_exp"><option selected="selected" value="-1">- Please Select -</option><option value="0">No</option><option value="1">Yes</option> </select></p>
</fieldset>
<hr />
<fieldset>
<p><strong>8. Is the patient CURRENTLY being treated using Anoro, Breo, Incruse or Advair? </strong></p>
<p><select class="form-control" name="current_tx"><option selected="selected" value="-1">- Please Select -</option><option value="No">No or Unknown</option><option value="Asthma">Yes, Asthma</option><option value="COPD">Yes, COPD</option><option value="Other">Yes, Other/Unspecified</option> </select></p>
</fieldset>
<hr />
<fieldset>
<p><strong>9. Does the post mention sentiment regarding CURRENT treatment with Anoro, Breo, Incruse or Advair? </strong></p>
<p><b>Sentiment:</b> Sentiment: Does the post reflect positive, negative or neutral feedback about being treated with Anoro, Breo, Incruse or Advair? If you are unsure about the category for sentiment, select neutral. If there is no sentiment expressed, select neutral</p>
<p><select class="form-control" name="current_tx_sentiment"><option selected="selected" value="-1">- Please Select -</option><option value="Positive">Positive</option><option value="Negative">Negative</option><option value="Neutral">Neutral</option><option value="Both">Both Positive and Negative</option> </select></p>
</fieldset>
<hr />
<fieldset>
<p><strong>10. Is the patient anticipating FUTURE treatment using Anoro, Breo, Incruse or Advair? </strong></p>
<p><select class="form-control" name="future_tx"><option selected="selected" value="-1">- Please Select -</option><option value="No">No or Unknown</option><option value="Asthma">Yes, Asthma</option><option value="COPD">Yes, COPD</option><option value="Other">Yes, Other/Unspecified</option> </select></p>
</fieldset>
<hr />
<fieldset>
<p><strong>11. Does the post mention sentiment regarding future treatment with Anoro, Breo, Incruse or Advair? </strong></p>
<p><b>Sentiment:</b> Sentiment: Does the post reflect positive, negative or neutral feedback about anticipated treatment with Anoro, Breo, Incruse or Advair? If you are unsure about the category for sentiment, select neutral. If there is no sentiment expressed, select neutral.</p>
<p><select class="form-control" name="future_tx_sentiment"><option selected="selected" value="-1">- Please Select -</option><option value="Positive">Positive</option><option value="Negative">Negative</option><option value="Neutral">Neutral</option><option value="Both">Both Positive and Negative</option> </select></p>
</fieldset>
<hr />
<fieldset>
<p><strong>12. Is there any sentiment expressed about any topic? </strong></p>
<p><b>Sentiment:</b> Do not duplicate responses in this question if another question has captured the sentiment. Does the post reflect positive, negative or neutral feedback about any topic? If you are unsure about the category for sentiment, select neutral. If there is no sentiment expressed, select neutral</p>
<p><select class="form-control" name="post_sentiment"><option selected="selected" value="-1">- Please Select -</option><option value="Positive">Positive</option><option value="Negative">Negative</option><option value="Neutral">Neutral</option><option value="Both">Both Positive and Negative</option> </select></p>
</fieldset>
<hr /></section>
</div>
</section>
<p> </p>
<p> </p>
<p> </p>
<p> </p>
<p> </p>
<p class="text-center"><input type="submit" id="submitButton" class="btn btn-primary" value="Submit" /></p></form><script language="Javascript">turkSetAssignmentID();</script></body></html>
ありがとう！これはまさに私がやろうとしていたものです。私は助けに感謝します。 –