https://stackoverflow.com/questions/20353555
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Russian표적 . 양식 <-이를 형성하기위한 참조 this 요소가 켜져 있습니다
. 요소 <- 해당 형식의 모든 객체
. 코드 <- 이름이있는 입력 code 같은 form
그 이유입니다 undefined 아마도 이름으로 입력 컨트롤을 제거했을 것입니다. code
이 this.form.elements.code 참조는 무엇입니까?
-
25-08-2022 - |
문제
클릭으로 호출하는 기능이 있습니다
onclick="return qa_answer_click(16, 15, this);"
이 기능에서 이것은 변수 대상으로 전달 된 다음 다음 변수를 선언하려고합니다.
params.code=target.form.elements.code.value;
JavaScript는 코드가 정의되지 않았다고 말합니다. HTML 때문이라고 믿을만한 이유가 있습니다. 이 this.form.elements.code 참조는 무엇입니까?
다음은 샘플 HTML입니다.
<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>
해결책
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