Question

用jquery 怎样只隐藏或只删除以下文字123，但要保留span不变<div>123<span>456789</span></div>

Answer 1

$("div:contains('123')").html('<div><span>456789</span></div>');

Answer 2

$function(){
var $span = $("div span");
$("div").empty().append($span);
};