大约有 48,000 项符合查询结果(耗时:0.0659秒) [XML]

https://stackoverflow.com/ques... 

jQuery get selected option value (not the text, but the attribute 'value')

... 04/2020: Corrected old answer Use :selected psuedo selector on the selected options and then use the .val function to get the value of the option. $('select[name=selector] option').filter(':selected').val() Side note: Using filter is better then using :sele...
https://stackoverflow.com/ques... 

How to set selected value on select using selectpicker plugin from bootstrap

I'm using the Bootstrap-Select plugin like this: 18 Answers 18 ...
https://stackoverflow.com/ques... 

How to get multiple select box values using jQuery?

How to get multiple select box values using jQuery? 8 Answers 8 ...
https://stackoverflow.com/ques... 

- how to allow only one item selected?

I have a <SELECT multiple> field with multiple options and I want to allow it to have only one option selected at the same time but user can hold CTRL key and select more items at once. ...
https://stackoverflow.com/ques... 

default select option as blank

I have a very weird requirement, wherein I am required to have no option selected by default in drop down menu in HTML. However, ...
https://stackoverflow.com/ques... 

Set select option 'selected', by value

I have a select field with some options in it. Now I need to select one of those options with jQuery. But how can I do that when I only know the value of the option that must be selected? ...
https://stackoverflow.com/ques... 

Check if option is selected with jQuery, if not select a default

Using jQuery, how do you check if there is an option selected in a select menu, and if not, assign one of the options as selected. ...
https://stackoverflow.com/ques... 

Why are Where and Select outperforming just Select?

... Select iterates once over the entire set and, for each item, performs a conditional branch (checking for validity) and a + operation. Where+Select creates an iterator that skips invalid elements (doesn't yield them), perform...
https://stackoverflow.com/ques... 

How to disable text selection using jQuery?

Does jQuery or jQuery-UI have any functionality to disable text selection for given document elements? 13 Answers ...
https://stackoverflow.com/ques... 

How to check if an option is selected?

... UPDATE A more direct jQuery method to the option selected would be: var selected_option = $('#mySelectBox option:selected'); Answering the question .is(':selected') is what you are looking for: $('#mySelectBox option').each(function() { if($(this).is(':selected')) ....