javascript - Change style using JS -


i have css code:

.ui-dialog-buttonset .on{         color: black;         border-radius: 7px;      }

and want set display = none using jquery:

$('#ui-dialog-buttonset .on').css('display', 'none');

it not woring. doing wrong ? appreciate help.

ui-dialog-buttonset class, not id. select using period, not hash:

$('.ui-dialog-buttonset .on').css('display', 'none');

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