摘要:
XMLHttpRequest cannot load http://localhost:3000/. No 'Access-Control-Allow-Origin' header is present on the requested resource. Origin 'null' is ther 阅读全文
摘要:
Javascript中的鸭式辩型(duck-type):会游泳,会嘎嘎叫,有两条腿的就是鸭子,比如你。 废话少说,直接上一段代码 var iframe=document.createElement("iframe"); document.body.appendChild(iframe); var x 阅读全文