我正在開發評估系統。頁面上有很多'questionItem'塊。目標是確定答案[2] .SetAnswer或answers [2] .Answer被設置爲空字符串還是?並高亮標題(項目)。當用戶更改問題時,請刪除高亮顯示。使用jQuery來查找特定輸入
它的工作原理,我只是尋找我可以改進它。這裏是一個塊:
$<div class="questionItem">
<input data-val="true" data-val-number="The field MappingId must be a number." data-val-required="The MappingId field is required." id="answers_2__MappingId" name="answers[2].MappingId" type="hidden" value="24" />
<input id="answers_2__Item" name="answers[2].Item" type="hidden" value="B0300" />
<input id="answers_2__OldAnswer" name="answers[2].OldAnswer" type="hidden" value="^" />
<input id="answers_2__SetAnswer" name="answers[2].SetAnswer" type="hidden" value="^" />
<h3 class="item">B0300</h3>
Hearing aid<br/>
<select class="hyperSwap" id="answers_2__Answer" name="answers[2].Answer">
<option selected="selected" value="?">(select item)</option>
<option value="0">(0) No</option>
<option value="1">(1) Yes</option>
<option value="-">(-) Not assessed</option>
</select>
</div>
<div class="questionItem">
<input data-val="true" data-val-number="The field MappingId must be a number." data-val-required="The MappingId field is required." id="answers_11__MappingId" name="answers[11].MappingId" type="hidden" value="228" />
<input id="answers_11__Item" name="answers[11].Item" type="hidden" value="C0900A" />
<input id="answers_11__OldAnswer" name="answers[11].OldAnswer" type="hidden" value="0" />
<input id="answers_11__SetAnswer" name="answers[11].SetAnswer" type="hidden" value="?" />
<h3 class="item">C0900A</h3>
Staff asmt mental status: recall current season <br/>
<div class="questionCheckbox"><input id="C0900A_0" name="answers[11].Answer" type="radio" value="0" /> (0) Not checked (No)</div>
<div class="questionCheckbox"><input id="C0900A_1" name="answers[11].Answer" type="radio" value="1" /> (1) Checked (Yes)</div>
<div class="questionCheckbox"><input id="C0900A_-" name="answers[11].Answer" type="radio" value="-" /> (-) Not assessed</div>
</div>
這裏是我想出了jQuery代碼:
$function highlightUnanswered() {
var coll = $(".questionItem").filter(function() {
return $(this).find(":input").filter(function() {
return (/^answers\[\d+\]\.SetAnswer$/.test(this.name) && this.value == "?") ||
((/^answers\[\d+\]\.Answer$/.test(this.name) && this.value == "?") &&
(/^answers\[\d+\]\.Answer$/.test(this.name) && this.value == ""));
}).length > 0;
});
coll.find(".item").addClass("unanswered");
coll.find(":input").change(function (e) { $(this).parent().find(".item").removeClass("unanswered"); });
}
有兩個問題:
Q1:最後一行,如果我不會誤認爲處理程序正被添加到所有的輸入中,包括隱藏的輸入。如何將它連接到答案[#]。回答輸入? Q2:這個表單上的某個人向我提供了第一個查詢,它提供了不同功能的初始集合。我明白它在做什麼,但我不明白如何:/^answers[\d+].Answer$/.test(this.name)是怎麼回事?爲什麼最後有一個.length()> 0?