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[英]multiple selectbox returns null if no selection in shortcode generator
[英]Remove selection of multiple selectbox is not working
在jQuery muliselect框中,删除从选定值中选择的属性不起作用。 控制台中没有错误显示
工作示例
问题是
$(“#mltyslct option [value ='” + foo [i] +“']”)。prop(“ selected”,false);
不起作用。但是代码没有终止。
也尝试过
$(“#mltyslct option [value ='” + foo [i] +“']”)。removeAttr(“ selected”);
但没有变化
这是HTML代码
<select id="mltyslct" multiple="multiple" size="5">
<option value="A">AA</option>
<option value="B">AB</option>
<option value="C">AC</option>
<option value="1">11</option>
<option value="2">12</option>
<option value="3">13</option>
</select>
和js
$( document ).ready(function() {
$("select").multiselect();
});
var strAppnd='';
var selectValue='';
var flag=true;
$( "#mltyslct" ).change(function() {
var foo = [];
$('#mltyslct :selected').each(function(i, selected){
foo[i] = $(selected).val();
});
for (var i = 0; i < foo.length; ++i) {
selectValue = foo[i].substring(0, 1);
}
if(selectValue=="A"){
alert('alphabet');
strAppnd=strAppnd+'A';
selectValue=''
flag=false;
}
else if(selectValue=="1"){
alert('number');
if(flag==false){
strAppnd=strAppnd+'1';
}
selectValue=''
}
console.log('val of appndStrng:'+strAppnd.substring(0, 2));
if(strAppnd.substring(0, 2)=='A1'|| strAppnd.substring(0, 2)=='1A'){
for (var i = 0; i < foo.length; i++) {
$("#mltyslct option[value='"+foo[i]+"']").prop("selected", false);
console.log('inside Booom:'+foo[i]);
}
}
});
$('#mltyslct:selected')。removeAttr(“ selected”);
这似乎正在工作:
$(document).ready(function() { $("select").multiselect(); }); var strAppnd = ''; var selectValue = ''; var flag = true; $("#mltyslct").change(function() { var foo = []; $('#mltyslct :selected').each(function(i, selected) { foo[i] = $(selected).val(); }); for (var i = 0; i < foo.length; ++i) { selectValue = foo[i].substring(0, 1); } if (selectValue == "A") { alert('alphabet'); strAppnd = strAppnd + 'A'; selectValue = '' flag = false; } else if (selectValue == "1") { alert('number'); if (flag == false) { strAppnd = strAppnd + '1'; } selectValue = '' } console.log('val of appndStrng:' + strAppnd.substring(0, 2)); if (strAppnd.substring(0, 2) == 'A1' || strAppnd.substring(0, 2) == '1A') { for (var i = 0; i < foo.length; i++) { $("input[type='checkbox'][value='" + foo[i] + "']").prop( "checked", false ); console.log('inside Booom:' + foo[i]); } } });
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script> <script src="http://code.jquery.com/ui/1.11.3/jquery-ui.min.js"></script> <script src="http://www.erichynds.com/examples/jquery-ui-multiselect-widget/src/jquery.multiselect.js"></script> <link rel="stylesheet" type="text/css" href="http://www.erichynds.com/examples/jquery-ui-multiselect-widget/jquery.multiselect.css"> <link rel="stylesheet" type="text/css" href="http://www.erichynds.com/examples/jquery-ui-multiselect-widget/jquery.multiselect.css"> <link rel="stylesheet" type="text/css" href="http://ajax.googleapis.com/ajax/libs/jqueryui/1/themes/ui-lightness/jquery-ui.css"> <select id="mltyslct" multiple="multiple" size="5"> <option value="A">AA</option> <option value="B">AB</option> <option value="C">AC</option> <option value="1">11</option> <option value="2">12</option> <option value="3">13</option> </select>
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