How to define javascript variable from within a iframe -


i have iframe needs change global variable in parent page.

i tried

parent.myvar = "myvalue"; parent.myfunction();

however, it's not working me. function executes variable remains unchanged.

edit: both iframe , parent in same domain.

there nothing wrong code : https://stackoverflow.com/a/1301645/390330

// set global variable 'foo' in parent global scope parent.foo = 'bar';

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