Frage
Ich habe eine Funktion, die bei Klickaufrufen klicke
https://stackoverflow.com/questions/20353555
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Russianonclick="return qa_answer_click(16, 15, this);"
In dieser Funktion wird dies an das variable Ziel übergeben und versucht dann, die folgende Variable zu deklarieren:
params.code=target.form.elements.code.value;
JavaScript sagt, dass Code undefiniert ist. Ich habe Grund zu der Annahme, dass es an der HTML liegt. Was würde dies.form.elements.code Referenz?
Hier ist ein Beispiel HTML:
<form method="post" action="../15/hur-bokf%C3%B6r-jag-n%C3%A4r-jag-k%C3%B6pt-varor-utanf%C3%B6r-eu">
<div class="qa-a-item-selected">
<div class="qa-a-item-content"> <a name="16"></a>
<div class="entry-content">
<div style="font-family: arial, sans-serif; font-size: 13px;">
<p class="p1">Välj mallen "utgift på kvitto" eller "utgift på faktura" beroende på vad som gäller.</p>
<p class="p1">Leverantören ska inte ha lagt på någon moms från sitt eget land, fyll därför i 0 i fältet moms, och hela det betalade beloppet som kostnad.</p>
</div>
<p>Tänk på att import av varor från land utanför EU ska deklareras till tullverket, som sedan fakturerar dig svensk moms och tull. <a rel="nofollow" href="http://tullverket.se/innehallao/t/tullproceduren/tullproceduren/importovergangtillfriomsattning.4.16f02a5f13c9590d97210a.html">Se information om import på tullverkets hemsida för mer information.</a>
</p>
</div>
</div> <span class="qa-a-item-avatar-meta">
<span class="qa-a-item-meta">
<a href="../15/hur-bokf%C3%B6r-jag-n%C3%A4r-jag-k%C3%B6pt-varor-utanf%C3%B6r-eu?show=16#a16" class="qa-a-item-what">besvarad</a>
<span class="qa-a-item-when">
<span class="qa-a-item-when-data"><span class="published"><span class="value-title" title="2013-11-01T09:11:19+0000"></span>1 nov</span>
</span>
</span> <span class="qa-a-item-who">
<span class="qa-a-item-who-pad">av </span>
<span class="qa-a-item-who-data"><span class="vcard author">Kristoffer Nolgren</span></span> <span class="qa-a-item-who-points">
<span class="qa-a-item-who-points-pad">(</span><span class="qa-a-item-who-points-data">3,440</span><span class="qa-a-item-who-points-pad"> poäng)</span>
</span>
</span>
<br> <span class="qa-a-item-what">ändrad</span>
<span class="qa-a-item-when">
<span class="qa-a-item-when-data"><span class="updated"><span class="value-title" title="2013-11-19T22:48:21+0000"></span>19 nov</span>
</span>
</span> <span class="qa-a-item-who">
<span class="qa-a-item-who-pad">av </span><span class="qa-a-item-who-data">Torbjörn Axelsson</span>
</span>
</span>
</span>
</div>
<div class="qa-a-item-buttons">
<input name="a16_doedit" value="ändra" title="Ändra detta svar" type="submit" class="qa-form-light-button qa-form-light-button-edit">
<input name="a16_dohide" onclick="return qa_answer_click(16, 15, this);" value="dölj" title="Dölj detta svar" type="submit" class="qa-form-light-button qa-form-light-button-hide">
<input name="a16_dofollow" value="ställ relaterad fråga" title="Ställ en ny fråga relaterad till detta svar" type="submit" class="qa-form-light-button qa-form-light-button-follow">
<input name="a16_docomment" onclick="return qa_toggle_element('c16')" value="kommentera!" title="Skriv en kommentar till det här svaret" type="submit" class="qa-form-light-button qa-form-light-button-comment">
</div>
<div class="qa-a-item-c-list" id="c16_list">
<div class="qa-c-list-item hentry comment" id="c20">
<div class="qa-c-item-content"> <a name="20"></a>
<div class="entry-content">Bra svar!!!!!!</div>
</div>
<div class="qa-c-item-footer"> <span class="qa-c-item-avatar-meta">
<span class="qa-c-item-meta">
<a href="../15/hur-bokf%C3%B6r-jag-n%C3%A4r-jag-k%C3%B6pt-varor-utanf%C3%B6r-eu?show=20#c20" class="qa-c-item-what">kommentarer</a>
<span class="qa-c-item-when">
<span class="qa-c-item-when-data"><span class="published"><span class="value-title" title="2013-11-01T15:02:12+0000"></span>1 nov</span>
</span>
</span> <span class="qa-c-item-who">
<span class="qa-c-item-who-pad">av </span>
<span class="qa-c-item-who-data"><span class="vcard author">Kristoffer Nolgren</span></span> <span class="qa-c-item-who-points">
<span class="qa-c-item-who-points-pad">(</span><span class="qa-c-item-who-points-data">150</span><span class="qa-c-item-who-points-pad"> poäng)</span>
</span>
</span>
</span>
</span>
<div class="qa-c-item-buttons">
<input name="c20_doedit" value="ändra" title="Ändra denna kommentar" type="submit" class="qa-form-light-button qa-form-light-button-edit">
<input name="c20_doflag" onclick="return qa_comment_click(20, 15, 16, this);" value="Rapportera som skräp" title="Rapportera denna kommentar som skräp eller olämplig" type="submit" class="qa-form-light-button qa-form-light-button-flag">
<input name="c20_dohide" onclick="return qa_comment_click(20, 15, 16, this);" value="dölj" title="Dölj denna kommentar" type="submit" class="qa-form-light-button qa-form-light-button-hide">
<input name="a16_docomment" onclick="return qa_toggle_element('c16')" value="svara" title="Svara på denna kommentar" type="submit" class="qa-form-light-button qa-form-light-button-comment">
</div>
</div>
<div class="qa-c-item-clear"></div>
</div>
<!-- END qa-c-item -->
<div class="qa-c-list-item hentry comment" id="c32">
<div class="qa-c-item-content"> <a name="32"></a>
<div class="entry-content">Blir det verkligen rätt med momskoder då osv? Tänker på momsdeklarationen.</div>
</div>
<div class="qa-c-item-footer"> <span class="qa-c-item-avatar-meta">
<span class="qa-c-item-meta">
<a href="../15/hur-bokf%C3%B6r-jag-n%C3%A4r-jag-k%C3%B6pt-varor-utanf%C3%B6r-eu?show=32#c32" class="qa-c-item-what">kommentarer</a>
<span class="qa-c-item-when">
<span class="qa-c-item-when-data"><span class="published"><span class="value-title" title="2013-11-12T21:23:12+0000"></span>12 nov</span>
</span>
</span> <span class="qa-c-item-who">
<span class="qa-c-item-who-pad">av </span>
<span class="qa-c-item-who-data"><span class="vcard author">Emil Jönsson</span></span> <span class="qa-c-item-who-points">
<span class="qa-c-item-who-points-pad">(</span><span class="qa-c-item-who-points-data">100</span><span class="qa-c-item-who-points-pad"> poäng)</span>
</span>
</span>
</span>
</span>
<div class="qa-c-item-buttons">
<input name="c32_doedit" value="ändra" title="Ändra denna kommentar" type="submit" class="qa-form-light-button qa-form-light-button-edit">
<input name="c32_doflag" onclick="return qa_comment_click(32, 15, 16, this);" value="Rapportera som skräp" title="Rapportera denna kommentar som skräp eller olämplig" type="submit" class="qa-form-light-button qa-form-light-button-flag">
<input name="c32_dohide" onclick="return qa_comment_click(32, 15, 16, this);" value="dölj" title="Dölj denna kommentar" type="submit" class="qa-form-light-button qa-form-light-button-hide">
<input name="a16_docomment" onclick="return qa_toggle_element('c16')" value="svara" title="Svara på denna kommentar" type="submit" class="qa-form-light-button qa-form-light-button-comment">
</div>
</div>
<div class="qa-c-item-clear"></div>
</div>
<!-- END qa-c-item -->
<div class="qa-c-list-item hentry comment" id="c37">
<div class="qa-c-item-content"> <a name="37"></a>
<div class="entry-content">Emil, för att det ska bli rätt med momsen ska du också deklarera importen till tullverket (om du inte använder en kurir som gör deklarationen åt dig). Du får sedan en faktura från tullverket på svensk moms samt eventuell tull. Denna bokför du som en vanlig utgift inom Sverige - då blir momsdeklarationen rätt!</div>
</div>
<div class="qa-c-item-footer"> <span class="qa-c-item-avatar-meta">
<span class="qa-c-item-meta">
<a href="../15/hur-bokf%C3%B6r-jag-n%C3%A4r-jag-k%C3%B6pt-varor-utanf%C3%B6r-eu?show=37#c37" class="qa-c-item-what">kommentarer</a>
<span class="qa-c-item-when">
<span class="qa-c-item-when-data"><span class="published"><span class="value-title" title="2013-11-19T22:42:59+0000"></span>19 nov</span>
</span>
</span> <span class="qa-c-item-who">
<span class="qa-c-item-who-pad">av </span>
<span class="qa-c-item-who-data"><span class="vcard author">Torbjörn Axelsson</span></span> <span class="qa-c-item-who-points">
<span class="qa-c-item-who-points-pad">(</span><span class="qa-c-item-who-points-data">1,890</span><span class="qa-c-item-who-points-pad"> poäng)</span>
</span>
</span>
</span>
</span>
<div class="qa-c-item-buttons">
<input name="c37_doedit" value="ändra" title="Ändra denna kommentar" type="submit" class="qa-form-light-button qa-form-light-button-edit">
<input name="c37_doflag" onclick="return qa_comment_click(37, 15, 16, this);" value="Rapportera som skräp" title="Rapportera denna kommentar som skräp eller olämplig" type="submit" class="qa-form-light-button qa-form-light-button-flag">
<input name="c37_dohide" onclick="return qa_comment_click(37, 15, 16, this);" value="dölj" title="Dölj denna kommentar" type="submit" class="qa-form-light-button qa-form-light-button-hide">
<input name="a16_docomment" onclick="return qa_toggle_element('c16')" value="svara" title="Svara på denna kommentar" type="submit" class="qa-form-light-button qa-form-light-button-comment">
</div>
</div>
<div class="qa-c-item-clear"></div>
</div>
<!-- END qa-c-item -->
</div>
<!-- END qa-c-list -->
</form>
Lösung
Ziel . Form <- Verweise auf Form, das this Element ist eingeschaltet
. Elemente <- Alle Objekte dieser Form
. Code <- Eingabe mit Namen code auf demselben form
Der Grund ist es undefined ist wahrscheinlich, dass Sie eine Eingabesteuerung mit dem Namen entfernt haben code
