php - Refresh Iframe on last viewed page -

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im working on basic site editor. view editable webpage iframe , when make changes iframe reloads index page of iframe. how can reload current page , not redirected index page?

im using jquery reload iframe using .click , $.ajax success.

$("#mainframe")[0].src = $("#mainframe")[0].src;

i found works....

$("#myid")[0].src = $('#myid').contents().get(0).location.href;

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