top.location.href,parent.location.href和self.location.href有什麼不同?

window.location.href="url" self.location.href="url" this.location.href="url" location.href="url"                    這四個跳轉效果相同,表水僅在本頁打開url地址 top.location.href="url"              在最外層,也就是頂層打開url地址(跳出ifr
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