Can you run JavaScript in an iframe?

Can you run JavaScript in an iframe?

Calling a parent JS function from iframe is possible, but only when both the parent and the page loaded in the iframe are from same domain i.e., and both are using same protocol i.e. both are either on http:// or https:// .

What is iframe in JavaScript?

An IFrame (Inline Frame) is an HTML document embedded inside another HTML document on a website. This capacity is enabled through JavaScript or the target attribute of an HTML anchor.

Is iframe deprecated?

IFrames are not obsolete, but the reasons for using them are rare. Using IFrames to serve your own content creates a “wall” around accessing the content in that area. For crawlers like Google, It’s not immediately clear that cotent in an iframe will be ranked as highly as if the content were simply part of the page.

Are IFrames bad?

Iframes Bring Security Risks. If you create an iframe, your site becomes vulnerable to cross-site attacks. You may get a submittable malicious web form, phishing your users’ personal data. A malicious user can run a plug-in.

How do I pass an iframe in HTML?

  1. render html string in iframe.
  2. load iframe with html from string.
  3. iframe html string.
  4. put html inside iframe.
  5. use iframe code.
  6. get iframe “#code”
  7. iframe in string js.
  8. render html as string in iframe.

Why iframe is used in HTML?

The tag specifies an inline frame. An inline frame is used to embed another document within the current HTML document. This is used by screen readers to read out what the content of the is.

What is the benefit of iframe?

Frames are inline frames that are sometimes referred to as floating frames. One of the main advantages of the iframe tag is that it can be used to load external html or xhtml pages into the current document without distrubing the original page.

How do I add a website to an iframe?


  1. Extract url ‘s last part.
  2. Get the iframe element using it’s id.
  3. Get the current value of src attribute of iframe.
  4. Append the concatenate the extracted last part of url to current value of src.
  5. Update the attribute value.


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