I want to disable cross icon on top right corner of typeform but only for a particular typeform not for all typeforms embeded on my website so can iframeProps will helpful in doing that ?
iframeProps use case
+5
+5Hello
are you referring to the close button? You can not disable it (iframeProps are not meant for that either).
You could put a transparent HTML element over the close button to capture any clicks into that area and prevent your typeform from closing.
If you want to remove it completely you will need to hack it via JavaScript but that solution might stop working in future.
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