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How do I return a not found in filter function in jQuery?


By : user2174984
Date : October 16 2020, 08:10 PM
I wish this helpful for you You can store the result returned by the filter() and check the length to determine if found or not:
code :
var userinput = '654';
var resArr = $('table td').filter(function(){ 
  return $(this).text() == userinput;
}).css('background-color', 'yellow').get();
var token = resArr.length > 0 ? 'Found' : 'Not Found';
console.log(token);
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<table>
  <tr>
    <td>654</td>
  </tr>
  <tr>
    <td>456</td>
  </tr>
  <tr>
    <td>123</td>
  </tr>
</table>
$('#txtInput').on('input', function(){
  $('td').css('background-color', '')
  var userinput = $(this).val();
  var resArr = $('table td').filter(function(){ 
    return $(this).text() == userinput;
  }).css('background-color', 'yellow').get();
  var token = resArr.length > 0 ? 'Found' : 'Not Found';
  console.clear();
  console.log(token);
});
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<input id="txtInput" placeholder="Enter to search"/>
<table>
  <tr>
    <td>654</td>
  </tr>
  <tr>
    <td>456</td>
  </tr>
  <tr>
    <td>123</td>
  </tr>
</table>


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JQuery error: XML filter is applied to non-XML value (function (E, F) {return new (o.fn.init)(E, F);})


By : user1944295
Date : March 29 2020, 07:55 AM
I wish this help you I am getting this slightly cryptic error message: , On the 4th line there's a . after jQuery that you should remove:
code :
if(arg.ok) {
    $('.action-button').each(function() {
        $(this).removeClass('enabled');
    });
}
if(arg.ok) {
    $('.action-button').removeClass('enabled');
}

Filter query, when duplicates found, return one with the max value of the duplicate field


By : Jyoti Arya
Date : March 29 2020, 07:55 AM
I wish this help you I'm struggling to query my table. , The easiest way is using row_number():
code :
select c.*
from (select c.*, 
             row_number() over (partition by MAKE&MODEL order by price desc) as seqnum
      from cars c
     ) c
where seqnum = 1;

dplyr's filter function: how to return every value (or «cancel» the effect of filter)?


By : zulfuqar qasimzade
Date : March 29 2020, 07:55 AM
fixed the issue. Will look into that further This may seem like a weird question, but is there a way to pass a value to filter() that basically does nothing? , The column will always be equal to itself, so
code :
cars %>% filter(speed == speed)
cars %>% filter(TRUE)

How to return value of an attribute in jquery filter function


By : user2294098
Date : March 29 2020, 07:55 AM
it fixes the issue If your HTML could have several elements having that attribute or the attribute is in a nested element, then proceed like this:
code :
var htmlBlock = '<div data-user-mode="CURRENT_MODE_USER" data-user-mode-key="b577ghf"></div>';
var $matches = $("<div>").append(htmlBlock).find("[data-user-mode=CURRENT_MODE_USER]");
var values = $.map($matches, function(elem) {
    return $(elem).attr("data-user-mode-key");
});
if (values.length) {
    // Uncomment if you need to put this array as string in an input box
    // $("input#indexMode").val(values);
    console.log("matching", values);
}
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>

Expected to return a value at the end of arrow function array-callback-return on filter function


By : Kurisa12
Date : March 29 2020, 07:55 AM
like below fixes the issue That is because the return only exits the for loop, and not the entire callback in Array.prototype.filter(). Instead of using for loop to check if companyMeasure.measure_type_id exists in self.state.measures, you can simply do an array map, which returns all the IDs, and then check against that return array if the ID exists using Array.prototype.includes:
code :
const self = this;
const relevantCompanyMeasures = this.props.companyMeasures
  .filter(companyMeasure => {
    return self.state.measures.map(m => m.id).includes(companyMeasure.measure_type_id);
  });
const ids = this.state.measures.map(m => m.id);
const relevantCompanyMeasures = this.props.companyMeasures
  .filter(companyMeasure => id.includes(companyMeasure.measure_type_id));
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