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SVGPointList: replaceItem() method

The replaceItem() method of the SVGPointList interface replaces a point in the list.

Syntax

js

replaceItem(obj, index)

Parameters

obj

An point object containing the coordinates of the point to be inserted.

index

The index of the item to replace.

Return value

The new SVGPoint object.

Exceptions

NoModificationAllowedError DOMException

Thrown if the list is read-only.

IndexSizeError DOMException

Thrown if the index passed in is greater than the number of items in the list.

Examples

The following example shows an SVG which contains a <polyline> with five coordinate pairs. A new SVGPoint is created, then replaces the point at index 1 (the second item in the list).

html

<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" />
</svg>

js

let example = document.getElementById("example");
let svgpoint = document.getElementById("svg").createSVGPoint();
svgpoint.y = 10;
svgpoint.x = 10;
console.log(example.points.replaceItem(svgpoint, 1));

Specifications

Browser compatibility

Desktop Mobile
Chrome Edge Firefox Internet Explorer Opera Safari WebView Android Chrome Android Firefox for Android Opera Android Safari on IOS Samsung Internet
replaceItem 1 12 1.5 9 ≤12.1 3 3 18 4 ≤12.1 1 1.0

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https://developer.mozilla.org/en-US/docs/Web/API/SVGPointList/replaceItem