[英]Javascript change text in parent from iframe
I have the following variable in a script in a webpage : 我在网页的脚本中有以下变量:
var isRedirect = true;
I also have an iframe. 我也有一个iframe。 How can I change the
isredirect
value from true to false from within the iframe? 如何在iframe中将
isredirect
值从true更改为false? var isRedirect = true;
is in the parent page. 在父页面中。
parent.isRedirect = false;
The tricky part is to have the correct synchronization between the parent and the iframe. 棘手的部分是在父级和iframe之间进行正确的同步。 To make sure the variable already exists in the parent, you can do this:
要确保变量已存在于父变量中,可以执行以下操作:
if (parent.isRedirect) {parent.isRedirect = false;}
应该这样做:
parent.isRedirect = true;
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