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Combo Box by default selected the last option

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忘了有多久
忘了有多久 2021-01-04 02:16

I want a combobox by default selected the last option (using jquery):
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  • 闹比i
    2021-01-04 02:53 
    <select>
    <option>item1</option>
    <option>item2</option>
    <option>item3</option>
    <option>item4</option>
    <option selected="selected">item5</option>
</select>
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  • 萌比男神i
    2021-01-04 02:55

    Do something like this:

    $(function() {
    $("select option:last").attr("selected", "selected");
});
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  • 别那么骄傲
    2021-01-04 03:01

    A plain JavaScript solution:

    select.selectedIndex = select.options.length-1;

    Demo

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  • 忘了有多久
    2021-01-04 03:03

    Use "prop" instead of "attr", of course depending of what version of jQuery you are using.

    $("select option:last").prop("selected", "selected");

    jQuery prop: http://api.jquery.com/prop/

    More discussion on the subject of when to use prop or attr: .prop() vs .attr()

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