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Can't remove range of options inside multiple select tags


Can't remove range of options inside multiple select tags

By : 王淮林
Date : November 20 2020, 11:01 PM
wish helps you I'm using jQuery and I have a group of select elements saved to servoSelects. Some of them have class "lgServo" and some don't. Of the ones that have that class, I want to remove all the options between index 0 and ~variable~. I don't understand how to do this. ,
I don't understand how to do this.
code :
servoSelects.filter('.lgServo').find('option:gt(0):lt(' + variable = ')');
// --------------------------------------------------^^^^^^^^^^^^^^^^^^^
servoSelects.filter('.lgServo').find('option').slice(0, variable).remove();


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How do I disable multiple options in multiple select tags with JavaScript?

How do I disable multiple options in multiple select tags with JavaScript?


By : RogDarWatShark
Date : March 29 2020, 07:55 AM
This might help you Here's one way of doing it. If you have that many options and they don't change, consider caching the result of document.querySelectorAll so that you don't have to find all the options again each time you want to disable/enable them.
http://jsfiddle.net/uj86d/
code :
<select>
    <option value="test1" class="red">Test 1</option>
    <option value="test2">Test 2</option>
    <option value="test3" class="red">Test 3</option>
    <option value="test4">Test 4</option>
</select>

<select>
    <option value="test1">Test 1</option>
    <option value="test2" class="red">Test 2</option>
    <option value="test3">Test 3</option>
    <option value="test4" class="red">Test 4</option>
</select>

<button>Disable reds!</button>
//disable all options with a red class
document.querySelector('button').addEventListener('click', function () {
    var redOptions = document.querySelectorAll('option.red'),
        i = 0,
        len = redOptions.length;

    for (; i < len; i++) {
        redOptions[i].disabled = true;
    }
});
How can I add only unique options in multiple select tags which are in same class?

How can I add only unique options in multiple select tags which are in same class?


By : ChriZin
Date : March 29 2020, 07:55 AM
I wish this helpful for you You can use find() to check if option with specific value exists in the select this way:
code :
if($(this).find('option[value="'+name+'"]').length==0)
{
    $('<option>').val(name).text(name).appendTo(this);
}
Multiple Select tags with dynamic options

Multiple Select tags with dynamic options


By : user3472349
Date : March 29 2020, 07:55 AM
wish of those help The issue is because .player is not a sibling of .country. You need to find the closest parent div, then go to the next div and find the .player in there. Try this:
code :
$(".country").change(function() {
    $(this).closest('div').next('div').find('.player').html("<option value='test'>test</option>");
});
How can i remove HTML nbsp tags from select options when assigning the text of option to hidden input

How can i remove HTML nbsp tags from select options when assigning the text of option to hidden input


By : 万岑娱
Date : March 29 2020, 07:55 AM
Does that help When the value is assigned to html hidden element it also assign nbsp tag which is in select statement. I don't want any html tags just only text , If you use jQuery:
code :
function setTextFieldA(ddl) {
  var res = $('option:selected',ddl).text().slice(0,12).trim();
  alert(res);
  $('#prod1').val(res);
}
html: How to add default options in multiple select tags?

html: How to add default options in multiple select tags?


By : Mhel
Date : March 29 2020, 07:55 AM
I think the issue was by ths following , You can't choose more than one option in a the multiple attribute:
code :
<select id="list1" name="cat1" multiple>
    <option selected>Some selected option</option>
    <option>Not selected</option>
    <option selected>This is also selected<option>
    ...
</select>
[2, 5, 6, 4, 3, 6, 8, 9].forEach(function(valToSelect) {
  $( 'select#list1' ).find('option[value="' + valToSelect + '"]').prop('selected', true);
});
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