WordPress/wp-admin/js/media.min.js

var findPosts;!function(a){findPosts={open:function(b,c){var d=document.documentElement.scrollTop||a(document).scrollTop(),e=a(".ui-find-overlay");return 0==e.length&&(a("body").append('<div class="ui-find-overlay"></div>'),findPosts.overlay()),e.show(),b&&c&&a("#affected").attr("name",b).val(c),a("#find-posts").show().draggable({handle:"#find-posts-head"}).css({top:d+50+"px",left:"50%",marginLeft:"-328px"}),a("#find-posts-input").focus().keyup(function(a){27==a.which&&findPosts.close()}),findPosts.send(),!1},close:function(){a("#find-posts-response").html(""),a("#find-posts").draggable("destroy").hide(),a(".ui-find-overlay").hide()},overlay:function(){a(".ui-find-overlay").css({"z-index":"999",width:a(document).width()+"px",height:a(document).height()+"px"}).on("click",function(){findPosts.close()})},send:function(){var b={ps:a("#find-posts-input").val(),action:"find_posts",_ajax_nonce:a("#_ajax_nonce").val()},c=a(".find-box-search .spinner");c.show(),a.ajax({type:"POST",url:ajaxurl,data:b,success:function(a){findPosts.show(a),c.hide()},error:function(a){findPosts.error(a),c.hide()}})},show:function(b){if("string"==typeof b)return this.error({responseText:b}),void 0;var c=wpAjax.parseAjaxResponse(b);c.errors&&this.error({responseText:wpAjax.broken}),c=c.responses[0],a("#find-posts-response").html(c.data),a(".found-posts td").on("click",function(){a(this).parent().find(".found-radio input").prop("checked",!0)})},error:function(b){var c=b.statusText;b.responseText&&(c=b.responseText.replace(/<.[^<>]*?>/g,"")),c&&a("#find-posts-response").html(c)}},a(document).ready(function(){a("#find-posts-submit").click(function(b){""==a("#find-posts-response").html()&&b.preventDefault()}),a("#find-posts .find-box-search :input").keypress(function(a){return 13==a.which?(findPosts.send(),!1):void 0}),a("#find-posts-search").click(findPosts.send),a("#find-posts-close").click(findPosts.close),a("#doaction, #doaction2").click(function(b){a('select[name^="action"]').each(function(){"attach"==a(this).val()&&(b.preventDefault(),findPosts.open())})})}),a(window).resize(function(){findPosts.overlay()})}(jQuery);