javascript - The layer pop-up window is embedded in an iframe. How can the element in the sub-page be clicked to close the layer pop-up window?

Question

a page js has the following code:

layer.open({
    type:2,
    area:['580px','320px'],
    content:'test.html'
})

There is a #test button in test.html. How to click this button to close the pop-up layer?

Answer 1

iframe communication/cross-domain communication. Check it on Baidu.