动机:https ://stackoverflow.com/questions/28120689/create-self-modifying-html-page-on-box
Bug: 字符串转义、格式化html
、js
生成初始编辑、保存html
、js
例如,
a) 如果在本地浏览器打开“saveFile.html”;
b) 输入“abc” textarea
;
c) 点击save file
按钮;
d) 点击对话框Save
;Save File
e)file-*[date according to universal time].html
保存到磁盘;
f)file-*[date according to universal time].html
在浏览器中打开;
g) 输入“def” textarea
;
h) 重复 d)、e)、f);
i) 错误:第二个结果file-*[date according to universal time].html
确实显示textarea
包含“abc def”文本内容; button
未显示在html
:
// at rendered `html` from second `file-*[date according to universal time].html`
// `textarea` containing "abc def" displayed here ,
// `button` _not_ displayed ; following string displayed following `textarea`:
');"console.log(clone);var file = new Blob([clone], {'type':'text/html'});a.href = URL.createObjectURL(file);a.download = 'file-' + new Date().getTime() + '.html';a.click();};
在第26行生成,“saveFile.html”
+ "var clone = '<!doctype html>'+ document.documentElement.outerHTML.replace(/<textarea>.*<.+textarea>/, '<textarea>'+document.getElementsByTagName('textarea')[0].value+'<\/textarea>');"
“保存文件.html”v 1.0.0
html, js
<!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 = ["<!doctype html><head></head><body><textarea>"
+ input.value
+ "</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 = '<!doctype html>'+ document.documentElement.outerHTML.replace(/<textarea>.*<.+textarea>/, '<textarea>'+document.getElementsByTagName('textarea')[0].value+'<\/textarea>');"
+ "console.log(clone);"
+ "var file = new Blob([clone], {'type':'text/html'});"
+ "a.href = URL.createObjectURL(file);"
+ "a.download = 'file-' + new Date().getTime() + '.html';"
+ "a.click();"
+ "};"
+ "</scr"+"ipt>"
+ "</body>"
+ "</html>"];
var file = new Blob([clone], {"type":"text/html"});
a.href = URL.createObjectURL(file);
a.download = "file-" + new Date().getTime() + ".html";
a.click();
};
</script>
</body>
</html>