Answer by Mori for Iframe document write doesn't update JavaScript
Yet another approach:function preview() { document.querySelector('iframe').outerHTML = '<iframe></iframe>'; var iframeDoc = document.querySelector('iframe').contentDocument;...
View ArticleAnswer by Pluto for Iframe document write doesn't update JavaScript
In my opinion, there are two main ways to do this: using the srcdoc attribute (@Kaiido's answer) or using a blob URL. In this answer, I will explain what these options are and how they differ. I will...
View ArticleAnswer by Dulan Jayawickrama for Iframe document write doesn't update JavaScript
The issue you are encountering is due to the fact that every time you call iframeDoc.write(textarea.value), it completely recreates the content of the iframe, including its JavaScript context. This...
View ArticleAnswer by svarlitskiy for Iframe document write doesn't update JavaScript
This will allow you to input partial HTML and still render the page in the iframe without the blink.HTML<textarea id="input"></textarea><iframe...
View ArticleAnswer by Kaiido for Iframe document write doesn't update JavaScript
Set your iframe's srcdoc instead of reopening its Document:var textarea = document.querySelector('textarea'), iframe = document.querySelector('iframe');function preview() { iframe.srcdoc =...
View ArticleAnswer by TestWell for Iframe document write doesn't update JavaScript
As far as I know, there is no way to un-declare variables in JS or remove them from a document's scope. I'd suggest dynamically recreating an iframe element on each input event. Something like this://...
View ArticleIframe document write doesn't update JavaScript
Here's a basic HTML editor:textarea,iframe { width: 400px; height: 300px;}<textarea></textarea><iframe></iframe>var textarea = document.querySelector('textarea');function...
View ArticleAnswer by EranGrin for Iframe document write doesn't update JavaScript
To achieve the goals of direct editor without the flickering effect of the iframe re-render you would probably have to use the direct write api, it seems to me that the only issue write() have is with...
View ArticleAnswer by morganney for Iframe document write doesn't update JavaScript
you can't use JavaScript const or let variablesBlock Scope Solution (simple)If you define your const and let declarations within curly braces {} you can avoid the Identifier * has already been declared...
View ArticleAnswer by EranGrin for Iframe document.write doesn't update JavaScript variables
To achieve the goals of direct editor without the flickering effect of the iframe re-render you would probably have to use the direct write api, it seems to me that the only issue write() have is with...
View ArticleAnswer by morganney for Iframe document.write doesn't update JavaScript...
you can't use JavaScript const or let variablesBlock Scope Solution (simple)If you define your const and let declarations within curly braces {} you can avoid the Identifier * has already been declared...
View ArticleAnswer by Mori for Iframe document.write doesn't update JavaScript variables
Three methods to refresh the iframe and delete JavaScript variables:replaceWith()function preview() { iframe.replaceWith(iframe); const iframeDoc = iframe.contentDocument;...
View ArticleAnswer by Pluto for Iframe document.write doesn't update JavaScript variables
In my opinion, there are two main ways to do this: using the srcdoc attribute (@Kaiido's answer) or using a blob URL. In this answer, I will explain what these options are and how they differ. I will...
View ArticleAnswer by Dulan Jay for Iframe document.write doesn't update JavaScript...
The issue you are encountering is due to the fact that every time you call iframeDoc.write(textarea.value), it completely recreates the content of the iframe, including its JavaScript context. This...
View ArticleAnswer by svarlitskiy for Iframe document.write doesn't update JavaScript...
This will allow you to input partial HTML and still render the page in the iframe without the blink.HTML<textarea id="input"></textarea><iframe...
View ArticleAnswer by Kaiido for Iframe document.write doesn't update JavaScript variables
Set your iframe's srcdoc instead of reopening its Document:var textarea = document.querySelector('textarea'), iframe = document.querySelector('iframe');function preview() { iframe.srcdoc =...
View ArticleAnswer by TestWell for Iframe document.write doesn't update JavaScript variables
As far as I know, there is no way to un-declare variables in JS or remove them from a document's scope. I'd suggest dynamically recreating an iframe element on each input event. Something like this://...
View ArticleIframe document.write doesn't update JavaScript variables
I have created a basic HTML editor using a textarea and an iframe to preview HTML, CSS, and JavaScript changes. Here's the setup:textarea,iframe { width: 300px; height:...
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