jQuery 更改功能不起作用

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时间:2020-08-26 16:30:08  来源:igfitidea点击:

jQuery change function not working

jqueryonchange

提问by Jamie Taylor

I can't seem to get this working seems like it should

我似乎无法正常工作

$('.titleother').change(function() {

if ($('.titleother').val() == 'Other') {
    ?$('.hiddentext').css('display','block')
}???

})

For this HTML

对于这个 HTML

<select class="titleother">?
<option value="1">1</option>
<option value="2">2</option>
<option value="Other">Other</option>
</select>

<p class="hiddentext" style="display:none">TEXT</p>

Any ideas?

有任何想法吗?

回答by Marwelln

This works for me using Chrome:

这对我使用 Chrome 有效:

$(function(ready){
    $('.titleother').change(function() {
        if ($(this).val() == 'Other') {
            $('.hiddentext').show();   
        }
    });
});

http://jsfiddle.net/amuec/11/

http://jsfiddle.net/amuec/11/

(Darin's code didn't work for me either)

(达林的代码也不适合我)

回答by Darin Dimitrov

Make sure you put this in a $(document).readyso that the DOM is ready when you attach the .change()handler:

确保将其放在 a 中,$(document).ready以便在附加.change()处理程序时 DOM 已准备就绪:

$(function() {
    $('.titleother').change(function() {
        if ($(this).val() == 'Other') {
            ?$('.hiddentext').show();
        }???
    });
});

回答by svk

I think you are missing ;
Check here

我想你错过了;
检查这里