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JavaScript to detect if the parent frame is of the same origin?


JavaScript to detect if the parent frame is of the same origin?

By : user3861981
Date : November 21 2020, 07:01 PM
help you fix your problem I'm looking for a cross-browser way to detect whether the parent frame is the same origin as my frame, preferably without printing warnings on the JavaScript error console. , I would do something like:
code :


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UIView in UIScrollview. frame.origin not changing on scrolling, can't detect collision

UIView in UIScrollview. frame.origin not changing on scrolling, can't detect collision


By : Wei Lei
Date : March 29 2020, 07:55 AM
I wish this helpful for you There will be overlap when scrollView.frame.origin.x + viewB.frame.size.width + scrollView.contentOffset.x >= viewA.frame.origin.x
After Edit:
code :
#import "ViewController.h"
#import <QuartzCore/QuartzCore.h>

@interface ViewController ()
@property (strong,nonatomic) UIPanGestureRecognizer *panner;
@property (strong,nonatomic) IBOutlet NSLayoutConstraint *leftCon;
@property (strong,nonatomic) CADisplayLink *displayLink;
@end

@implementation ViewController {
    IBOutlet UIView *blueSquare;
}

-(void)viewDidLoad {
    self.panner = [[UIPanGestureRecognizer alloc] initWithTarget:self action:@selector(handlePanGesture:)];
    [blueSquare addGestureRecognizer:self.panner];
}

- (void)handlePanGesture:(UIPanGestureRecognizer *)sender {
    CGPoint translate = [sender translationInView:self.view];
    if (self.leftCon.constant <160)
        if (self.leftCon.constant > 100) NSLog(@"Bang! We have a collision");
        self.leftCon.constant = translate.x;
    if (sender.state == UIGestureRecognizerStateEnded){
        [self startDisplayLink];
    }
}


-(void)startDisplayLink {
    self.displayLink = [CADisplayLink displayLinkWithTarget:self selector:@selector(bounceBack:)];
    [self.displayLink addToRunLoop:[NSRunLoop currentRunLoop] forMode:NSDefaultRunLoopMode];
}

- (void)stopDisplayLink {
    [self.displayLink invalidate];
    self.displayLink = nil;
}


-(void)bounceBack:(CADisplayLink *) link {
    self.leftCon.constant -= 12;
    if (self.leftCon.constant < 2) {
        [self stopDisplayLink];
        self.leftCon.constant = 2;
    }
}
How to resolve issue "Blocked a frame with origin from accessing a frame with origin" in parent.document

How to resolve issue "Blocked a frame with origin from accessing a frame with origin" in parent.document


By : abusizhishen
Date : March 29 2020, 07:55 AM
it should still fix some issue What you have to do is make sure the iframe isn't loading from the other domain name. If you've written the HTML for the iframe, it would need to change from something like this:
code :
<iframe src="http://www.xyz.com/iframe/page.html"></iframe>
<iframe src="/iframe/page.html"></iframe>
Bypassing a blocked frame with origin from accessing a cross-origin frame with postMessage()

Bypassing a blocked frame with origin from accessing a cross-origin frame with postMessage()


By : user2285937
Date : March 29 2020, 07:55 AM
seems to work fine You can use your server as a proxy. Assuming that you intend to load page XYZ inside the iframe, you can create an XYZ.php page which sends a request to XYZ and displays the response in the page. You will need to resolve the problems which might arise from relative URLs. Also, make sure that whatever you do is goodwilling and legal.
The flow will look like this:
How to debug SecurityError:Blocked a frame with origin from accessing a cross origin frame?

How to debug SecurityError:Blocked a frame with origin from accessing a cross origin frame?


By : Daniel Frese
Date : March 29 2020, 07:55 AM
wish helps you I have an iframe inside a main page. The iframe is from the same exact domain as the main page. , The JavaScript console showed the reason for the error.
changing iframe url changes parent window url Blocked a frame with origin

changing iframe url changes parent window url Blocked a frame with origin


By : Armands Šlihte
Date : March 29 2020, 07:55 AM
I think the issue was by ths following , Please check the same origin policy: https://en.wikipedia.org/wiki/Same-origin_policy
The reason for that error is that you violate that policy.
code :
<iframe src="demo_iframe_sandbox.htm" sandbox="allow-top-navigation"></iframe>
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