Accessing SVG Elements with JavaScript from Illustrator-Generated SVG Files
As discussed, accessing SVG elements with JavaScript from SVG files created in Adobe Illustrator is indeed possible without utilizing third-party libraries like Raphaël or jQuery SVG.
To achieve this:
1. Load the SVG File Asynchronously:
Incorporate an HTML5
<object data="alpha.svg" type="image/svg+xml">
2. Add Load Event Listener:
Attach a load event listener to the
<script>
var a = document.getElementById("alphasvg");
a.addEventListener("load",function(){
// code here executes after SVG loads
}, false);
</script>3. Retrieve Inner DOM and Access Elements:
Within the load event callback, manipulate the SVG document's inner DOM by retrieving it:
var svgDoc = a.contentDocument;
Using this reference to svgDoc, you can access specific elements by their IDs using the getElementById method:
var delta = svgDoc.getElementById("delta");4. Add Event Handlers:
Once you have access to the elements, you can attach event handlers for behaviors. For instance, to add a click handler to the 'delta' element:
delta.addEventListener("mousedown",function(){
alert('hello world!')
}, false);Limitations:
This technique is subject to the same-origin policy. Therefore, the SVG file must be hosted on the same domain as the HTML file to ensure access to the inner DOM.
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