整洁的HTML代码基于JavaScript [英] Tidy html code based on javascript
问题描述
我正在写一个可以整理html代码的javascript函数。 (javascript和css代码整理不需要的时刻)
这是我的代码。并检查 http://jsfiddle.net/2q26K/
function tidyHtml(html){
var html = html.trim()。replace(/> [^<] +< / gm,function ($ 1){
return'>'+ $ 1.substr(1,$ 1.length - 2).trim()+'';
})。replace(/> \ s +< / gm,'><');
var containerElement = document.createElement('div');
containerElement.innerHTML = html;
var result = containerElement.innerHTML;
var findLevel = function(child,parent){
var level = 0;
while(child!= parent){
child = child.parentNode;
level ++;
}
回报水平;
Array.prototype.slice.call(containerElement.getElementsByTagName('*'))。forEach(function(element){
var tabs = new Array(findLevel(element,containerElement) - 1).join(''),
tabs2 =(element.parentNode.lastChild == element)?('\ n'+ tabs.substring(0,tabs.length - 1)):'' ,
containerElement = document.createElement('div');
containerElement.appendChild(element.cloneNode(true));
result = result.replace(containerElement.innerHTML,'\\\
'+ tabs + containerElement.innerHTML + tabs2);
});
返回结果;
$ b $ p
$ b 在提供的示例中,它完美地工作。
但是,有时候这样的html代码: http://jsfiddle.net/2q26K / 1 /
它拒绝改变
< div id =hlogo>
< a href =/>堆栈溢出< / a> ABC< / div>
至
< div id =hlogo>
< a href =/>堆栈溢出< / a> ABC
< / div>
无法解决它。它太复杂了。有没有更简单的方法可以做同样的事情?
任何改善我的代码的建议,或者我可以学习的任何示例?
解决方案中找到它
I am writing a javascript function which can tidy up html code. (javascript and css code tidying not necessary in the moment)
Here is my code. And check it on http://jsfiddle.net/2q26K/
function tidyHtml(html) {
var html = html.trim().replace(/>[^<]+</gm, function ($1) {
return '>' + $1.substr(1, $1.length - 2).trim() + '<';
}).replace(/>\s+</gm, '><');
var containerElement = document.createElement('div');
containerElement.innerHTML = html;
var result = containerElement.innerHTML;
var findLevel = function (child, parent) {
var level = 0;
while (child != parent) {
child = child.parentNode;
level++;
}
return level;
}
Array.prototype.slice.call(containerElement.getElementsByTagName('*')).forEach(function (element) {
var tabs = new Array(findLevel(element, containerElement) - 1).join(' '),
tabs2 = (element.parentNode.lastChild == element) ? ('\n' + tabs.substring(0, tabs.length - 1)) : '',
containerElement = document.createElement('div');
containerElement.appendChild(element.cloneNode(true));
result = result.replace(containerElement.innerHTML, '\n' + tabs + containerElement.innerHTML + tabs2);
});
return result;
}
In the example provided, it works perfectly.
But, sometimes when html code like that: http://jsfiddle.net/2q26K/1/
It refuses to change
<div id="hlogo">
<a href="/">Stack Overflow</a>ABC</div>
To
<div id="hlogo">
<a href="/">Stack Overflow</a>ABC
</div>
Cannot solve it. It's too complicated. Is there any easier method that can do the same thing?
Any suggestion to improve my code, or any example that I can learn from?
解决方案 You can use this I've found it in 11346108
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