[英]jquery show hide div based on select value dynamically
我有一個正在處理的項目,需要顯示/隱藏一個依賴於選擇的分區。 在選擇我想要的小組的隱藏女主角時,我需要這樣做。 最初,數量和金額不知道! 目前,它適用於#selectField_1和box_1。 但是我不想做一個靜態腳本,我想讓它動態
<script>
$(document).ready(function (value) {
$('.box_1').hide();
$('#51').show(); <==================Need Selected value from <select> as Default
$('#selectField_1').change(function () {
$('.box_1').hide();
$('#'+$(this).val()).show();
});
});
</script>
<select id="selectField_1">
<option value="51" selected>option1</option>
<option value="52">option2</option>
<option value="53">option3</option>
<option value="54">option4</option>
</select>
<select id="selectField_2">
<option value="55" selected>option1</option>
<option value="56">option2</option>
<option value="57">option3</option>
<option value="58">option4</option>
</select>
.......................................
<select id="selectField_n">
<option value="n" selected>option1</option>
<option value="n">option2</option>
<option value="n">option3</option>
<option value="n">option4</option>
</select>
</br>
<div id="51" class="box_1">Content 51</div>
<div id="52" class="box_1">Content 52</div>
<div id="53" class="box_1">Content 53</div>
<div id="54" class="box_1">Content 54</div>
<div id="55" class="box_2">Content 55</div>
<div id="56" class="box_2">Content 56</div>
<div id="57" class="box_2">Content 57</div>
<div id="58" class="box_2">Content 58</div>
...........................................
<div id="n" class="box_n">Content n</div>
<div id="n" class="box_n">Content n</div>
<div id="n" class="box_n">Content n</div>
<div id="n" class="box_n">Content n</div>
在下拉菜單中應用課程:
<select id="selectField_1" class="SelectField">
<option value="51" selected>option1</option>
<option value="52">option2</option>
<option value="53">option3</option>
<option value="54">option4</option>
</select>
您必須這樣做:
$('.SelectField').each(function(){
$('.box_'+this.id.split('_')[1]).hide();
$('#'+$(this).val()).show();
});
$('.SelectField').change(function () {
$('.box_'+this.id.split('_')[1]).hide();
$('#'+$(this).val()).show();
});
要通過其值設置選項,您需要使用:
$('#selectField_1 option[value="51"]');
並選擇它:
$('#selectField_1 option[value="51"]').prop('selected', true);
也許您可以這樣:
<select id="selectField_1">
<option value="51" class="selected">option1</option>
<option value="52">option2</option>
<option value="53">option3</option>
<option value="54">option4</option>
</select>
在你的js中:
$("#your_select_id").find("option.selected").show()
正如Ehsaan Sajjad所說,對下拉菜單應用類可使用單個選擇器訪問所有下拉列表,例如
<select id="selectField_1" class="ddlClass">
<option value="51" selected>option1</option>
<option value="52">option2</option>
<option value="53">option3</option>
<option value="54">option4</option>
</select>
<select id="selectField_2" class="ddlClass">
<option value="55" selected>option1</option>
<option value="56">option2</option>
<option value="57">option3</option>
<option value="58">option4</option>
</select>
並在您的div中再添加一個類以默認隱藏所有div,例如
<div id="51" class="box_1 boxdiv">Content 51</div>
<div id="52" class="box_1 boxdiv">Content 52</div>
<div id="53" class="box_1 boxdiv">Content 53</div>
<div id="54" class="box_1 boxdiv">Content 54</div>
<div id="55" class="box_2 boxdiv">Content 55</div>
<div id="56" class="box_2 boxdiv">Content 56</div>
<div id="57" class="box_2 boxdiv">Content 57</div>
<div id="58" class="box_2 boxdiv">Content 58</div>
並在CSS中編寫
.boxdiv{ display: none;}
現在您的jQuery代碼將如下所示
$('.ddlClass').change(function () {
$('.box_'+this.id.split('_')[1]).hide();
$('#'+$(this).val()).show();
});
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