2020-02-16 标签:javascript,eval,函数,使用说明,举个,例子,实现,代码,如下,var,unevaled,answer,evaled,alert,un,运行,这段,程序

举个小例子： 实现代码如下：var the_unevaled_answer = "2 + 3"; var the_evaled_answer = eval("2 + 3"); alert("the un-evaled answer is " + the_unevaled_answer + " and