api-item-header qm-api-item-header-function"><span class="qm-api-javascript-header-function-signature qm-api-header-details qm-code-font" id="callback"><span class="qm-api-javascript-header-function-name">callback</span><span class="qm-api-javascript-header-function-args"></span></span><span class="qm-api-header-tags"></span></div></span></span></div><div class="qm-changelog-entry-content"><div class="qm-changelog-change"><div class="qm-changelog-change-header"><div class="qm-changelog-change-icon"><i class