SVGPointList.insertItemBefore()
The insertItemBefore()
method of the SVGPointList
interface inserts a point
before another item in the list.
Syntax
SVGPointList.insertItemBefore(obj,index);
obj
-
An
SVGPoint
object containing the coordinates of the point to be inserted. index
-
The index of the item the object should be inserted before. If the index passed in is greater than the length of the list, then index will be set to the list length and the item inserted before the last item in the list.
Return value
The SVGPoint
object that was inserted.
Exceptions
DOMException
NoModificationAllowedError
-
Thrown if the list is read-only.
Examples
The following example shows an SVG which contains a <polyline>
with five coordinate pairs. A new SVGPoint
is created, and inserted before the point at index 2
.
<svg id="svg" viewBox="-10 -10 120 120" xmlns="http://www.w3.org/2000/svg">
<polyline id="example" stroke="black" fill="none"
points="50,0 21,90 98,35 2,35 79,90"/>
let example = document.getElementById("example");
let svgpoint = document.getElementById("svg").createSVGPoint();
svgpoint.y = 10;
svgpoint.x = 10;
console.log(example.points.insertItemBefore(svgpoint,2));
Specifications
Specification |
---|
Scalable Vector Graphics (SVG) 1.1 (Second Edition) # __svg__SVGNameList__insertItemBefore |
Browser compatibility
BCD tables only load in the browser