select - Jquery .prop("selected", "selected") doesnt work on ipad chrome/safari -

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i have problem code :

$('#activity_filter_type_activity option').eq(1).prop("selected", true);

it works on classic desktop not in safari/chrome on ipad. can me ?

try using ".attr" checked 

$('#activity_filter_type_activity option').eq(1).attr('checked',true);

i found solution in other thread, same problem .prop() vs .attr()


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