I am using a multiselect with options grouped together. <select title=\"Fruits\" multiple=\"multiple\" id=\"fruits\" name=\"fruits[]\">
I want to have a wpf combobox th开发者_开发知识库at displays the dropdown list box with the options grouped under a heading like the <optgroup> behaviour in html. Has anyone seem something like
I use a jQuery function similar to the one in this thread: Easy way to quick select a whole optgroup in select box
I have a dropdown, and in another process add optgroups/options to that dropdown, and that part works fine.
I have created the following select using the option_groups_from_collection_for_select form helper in Rails as part of a search feature.
Is there a way to hide option or optgroup HTML elements? I\'ve tried calling hide() in jQuery, and also using regular Javascript to set style.display=\'none\'.
Error: End tag for \'optgroup\' which is not finished. You have probably failed to include a required child element. Hence the parent element is \"not finished\",
I have an array called tmp var tmp = [\"05\", \"13\", \"27\"]; if an option value is equal to a value within tmp, I want to add that option to a particular optgroup, else add it to the other optgrou
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