SecurityError: Failed to read the 'contentDocument' property from 'HTMLIFrameElement': Blocked a frame with origin "null" from accessing a cross-origin frame.
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jquery无法访问iframe,咋办?
$('#iframeid').contents() 返回如下错误,咋办呢? 为何两个iframe都访问不了? SecurityError: Failed to read the 'contentDocument' property from 'HTMLIFrameElement': Blocked a frame with origin "null" from accessing a cross-origin frame.