// 粘贴事件监控 $.fn.pasteEvents = function( delay ) { if (delay == undefined) delay = 10; return $(this).each(function() { var $el = $(this); $el.on("paste", function() { $el.trigger("prepaste"); setTimeout(function() { $el.trigger("postpaste"); }, delay); }); }); }; // 使用 $("input[type='text']").on("postpaste", function() { // code... }).pasteEvents();