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April 6, 2019 11:14
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HTML Self-Replicating Script with Live textarea content
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| <!doctype html> | |
| <html> | |
| <!-- saveFile.html 1.0.0 2015 guest271314 edit, save `html` document --> | |
| <!-- Created as proof-of-concept for SO question: | |
| http://stackoverflow.com/questions/30563157/edit-save-self-modifying-html-document-format-generated-html-javascript | |
| --> | |
| <head> | |
| </head> | |
| <body> | |
| <textarea></textarea> | |
| <button>save file</button> | |
| <script type="text/javascript"> | |
| var saveFile = document.getElementsByTagName("button")[0]; | |
| var input = document.getElementsByTagName("textarea")[0]; | |
| var a = document.createElement("a"); | |
| saveFile.onclick = function(e) { | |
| var clone = document.cloneNode(true); | |
| var doc_input = document.getElementsByTagName("textarea")[0]; | |
| var clone_input = clone.getElementsByTagName("textarea")[0]; | |
| clone_input.innerHTML = doc_input.value; | |
| var doc_doctype = new XMLSerializer().serializeToString(document.doctype); | |
| var clone_string = [doc_doctype + clone.documentElement.outerHTML]; | |
| var file = new Blob([clone_string], {"type":"text/html"}); | |
| a.href = URL.createObjectURL(file); | |
| a.download = "file-" + new Date().getTime() + ".html"; | |
| a.click(); | |
| }; | |
| </script> | |
| </body> | |
| </html> |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| <!doctype html> | |
| <html> | |
| <!-- saveFile.html 1.0.0 2015 guest271314 edit, save `html` document --> | |
| <head> | |
| </head> | |
| <body> | |
| <textarea></textarea> | |
| <button>save file</button> | |
| <script type="text/javascript"> | |
| var saveFile = document.getElementsByTagName("button")[0]; | |
| var input = document.getElementsByTagName("textarea")[0]; | |
| var a = document.createElement("a"); | |
| saveFile.onclick = function(e) { | |
| var clone = document.cloneNode(true); | |
| var doc_input = document.getElementsByTagName("textarea")[0]; | |
| var clone_input = clone.getElementsByTagName("textarea")[0]; | |
| clone_input.innerHTML = doc_input.value; | |
| var clone_string = [new XMLSerializer().serializeToString(clone)]; | |
| var file = new Blob([clone_string], {"type":"text/html"}); | |
| a.href = URL.createObjectURL(file); | |
| a.download = "file-" + new Date().getTime() + ".html"; | |
| a.click(); | |
| }; | |
| </script> | |
| </body> | |
| </html> |
savefileV2 replaces:
var clone_string = [doc_doctype + clone.documentElement.outerHTML];
with
var clone_string = [new XMLSerializer().serializeToString(clone)];
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Created as proof-of-concept for SO question:
http://stackoverflow.com/questions/30563157/edit-save-self-modifying-html-document-format-generated-html-javascript