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您好我有一个情况我有观察到arrays.This可观察到的阵列就是我的标记看起来像检查在foreach一个if条件:只在最后一个索引
<div class="slider-wrap cycle-slideshow" data-cycle-fx="scrollHorz" data-cycle-timeout="0" data-cycle-slides="> section" data-cycle-prev=".slider-nav .prev" data-cycle-next=".slider-nav .next" data-cycle-pager=".slider-bullets" data-bind="foreach: category().questions()">
<section data-bind="foreach: $data">
<article>
<!-- ko if: hasGrade-->
<header data-bind="text: $data.description"></header>
<ul>
<li><a href="#">1</a></li>
<li><a href="#">2</a></li>
<li><a href="#">3</a></li>
<li><a href="#">4</a></li>
<li><a href="#">5</a></li>
<li><a href="#">6</a></li>
<li><a href="#">7</a></li>
<li><a href="#">8</a></li>
<li><a href="#">9</a></li>
<li><a href="#">10</a></li>
</ul>
<span data-bind="text: $parent.$index"></span>
<!-- /ko -->
<!-- ko if: hasMemo-->
<header data-bind="text: $data.memoTitle"></header>
<textarea></textarea>
<!-- /ko -->
</article>
<!-- /ko -->
<!-- ko if: $parent.$parent.hasMemo-->
<article>
<header data-bind="text: $parent.$parent.memoTitle"></header>
<textarea></textarea>
</article>
<!-- /ko -->
</section>
</div>
我不能改变的标记的结构,因为我使用的插件,并没有使用它的豪华。
最后,如果条件应该只进行检查时,最后一个元素iterated.This是模型:
{
memo: null,
categoryId: 1,
title: "Docent",
hasMemo: true,
memoIsMandatory: false,
memoTitle: "Docent Opmerkingen",
questions: [
[
{
memo: null,
grade: null,
description: "De docent is goed voorbereid",
memoTitle: "De docent is goed voorbereid",
questionId: 11,
hasGrade: false,
hasMemo: true,
showOnlyMemo: true
},
{
memo: null,
grade: null,
description: "De docent heeft kennis van zaken",
memoTitle: "De docent heeft kennis van zaken",
questionId: 12,
hasGrade: true,
hasMemo: false,
showOnlyMemo: false
},
{
memo: null,
grade: null,
description: "De docent kan de onderwerpen boeiend uitleggen",
memoTitle: "De docent kan de onderwerpen boeiend uitleggen",
questionId: 13,
hasGrade: true,
hasMemo: false,
showOnlyMemo: false
},
{
memo: null,
grade: null,
description: "De docent gaat goed in op de vragen uit de groep",
memoTitle: "De docent gaat goed in op de vragen uit de groep",
questionId: 14,
hasGrade: true,
hasMemo: false,
showOnlyMemo: false
},
{
memo: null,
grade: null,
description: "De docent stimuleert de groep tot actieve deelname",
memoTitle: "De docent stimuleert de groep tot actieve deelname",
questionId: 15,
hasGrade: true,
hasMemo: false,
showOnlyMemo: false
}
],
[
{
memo: null,
grade: null,
description: "De docent voegt inhoudelijk iets toe aan het studiemateriaal",
memoTitle: "De docent voegt inhoudelijk iets toe aan het studiemateriaal",
questionId: 16,
hasGrade: true,
hasMemo: false,
showOnlyMemo: false
},
{
memo: null,
grade: null,
description: "De docent is praktijkgericht",
memoTitle: "De docent is praktijkgericht",
questionId: 17,
hasGrade: true,
hasMemo: false,
showOnlyMemo: false
},
{
memo: null,
grade: null,
description: "Totaal oordeel over de docent",
memoTitle: "Totaal oordeel over de docent",
questionId: 18,
hasGrade: true,
hasMemo: false,
showOnlyMemo: false
}
]
]
},
{
memo: null,
categoryId: 7,
title: "Opbouw programma en studiemateriaal",
hasMemo: true,
memoIsMandatory: false,
memoTitle: "Opbouw programma en studiemateriaal Opmerkingen",
questions: [
[
{
memo: null,
grade: null,
description: "Het studieprogramma is duidelijk opgebouwd",
memoTitle: "Het studieprogramma is duidelijk opgebouwd",
questionId: 54,
hasGrade: true,
hasMemo: false,
showOnlyMemo: false
},
{
memo: null,
grade: null,
description: "Het studiemateriaal is compleet, goed leesbaar en praktijkgericht",
memoTitle: "Het studiemateriaal is compleet, goed leesbaar en praktijkgericht",
questionId: 55,
hasGrade: true,
hasMemo: false,
showOnlyMemo: false
}
]
]
}
]
在我们的情况下,它与questionId 55.IS有没有办法实现这个元素?
淘汰种类取决于能够改变标记。大多数插件允许修改它们。它在什么许可下?否则,您需要手动将'hasMemo'设置为false。 – FakeRainBrigand
我刚刚得到了将if条件绑定到一个函数的功能,该函数将父类可观察数组索引和子可观察数组索引与我可以在我的javascript中检查什么是我们正在迭代的当前元素并返回true或false.My唯一的问题是,我不知道如何获得父母索引可以帮助我吗? – aleczandru