Is there some innerHTML replacement in SVG/XML?

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In HTML I can build a simple templating system by providing a template in form of a string, replace some parts of it and then assign it using innerHTML to some

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旧时难觅i

2020-11-28 10:37

Check out the innerSVG javascript shim, it provides the functionality you want.

2014 update: The DOM parsing spec defines innerHTML and outerHTML on Element, which makes these available on svg and xml elements. This has been shipping in Blink for a while now, first versions to support this was Chrome 32 / Opera 19, more details can be found in this bugreport.

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别跟我提以往

2020-11-28 10:40

How about my innerSVG shim? CoffeeScript source is below, compiled JavaScript is on https://gist.github.com/2648095

# Important: You must serve your pages as XHTML for this shim to work,
# otherwise namespaced attributes and elements will get messed up.
Object.defineProperty SVGElement.prototype, 'innerHTML',
  get: () ->
    $temp = document.createElement 'div'
    $node = @cloneNode true

    for $child in $node.children
      $temp.appendChild $child

    return $temp.innerHTML

  set: (markup) ->
    while @firstChild
      @firstChild.parentNode.removeChild @firstChild

    markup = "<svg id='wrapper' xmlns='http://www.w3.org/2000/svg'>#{markup}</svg>"
    $div = document.createElement 'div'
    $div.innerHTML = markup
    $svg = $div.querySelector 'svg#wrapper'

    for $element in $svg.children
      @appendChild $element 
  enumerable : false  
  configurable : true

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挽巷

2020-11-28 10:42

With jQuery, you can do it this way:

Let's suppose your svgString contains your svg image after the replacing operations.

$(svgString)[0] to create a svg tag corresponding to your string. Then you can append this element where you want in the dom to draw the image.

I hope this helps

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梦如初夏

2020-11-28 10:44
You can use DOMParser to parse XML: https://developer.mozilla.org/en/Parsing_and_serializing_XML you can then use importNode to get that into your existing document if you want: https://developer.mozilla.org/en/DOM/document.importNode to end up with something like this...
```
var doc = new DOMParser().parseFromString(
   '<svg xmlns="http://www.w3.org/2000/svg"><circle cx="100" cy="100" r="20"/></svg>',
   'application/xml');

someElement.appendChild(
 someElement.ownerDocument.importNode(doc.documentElement, true));
```
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不思量自难忘°

2020-11-28 10:47

More simply, document.querySelector('#myContainer').textContent = newContent; has pretty good support, def. to IE9+, Safari, FF, Chrome.

Mike Bostock's my hero for these kinds of things: the D3.js source code is my go-to for SVG questions.

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说谎

2020-11-28 10:52

It looks like at least on Chrome and Safari, you can wrap your SVG element in an HTML element and ask for innerHTML. The following HTML file renders a red rectangle, even though the SVG source specifies green.

<body>
<div id="wrapper">
  <svg xmlns="http://www.w3.org/2000/svg" version="1.1" width="120" height="120" viewBox="0 0 236 120">
    <rect x="14" y="23" width="250" height="50" fill="green" stroke="black" stroke-width="1" />
  </svg>
</div>
<script>
  var el = document.getElementById('wrapper');
  var t = el.innerHTML;
  t = t.replace(/green/g, "red");
  el.innerHTML = t;
</script>
</body>

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