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SVGPointList: length property

The length read-only property of the SVGPointList interface returns the number of items in the list.

Value

The number of items in the list.

Examples

The following example shows an SVG which contains a <polyline> with five coordinate pairs. The length property returns 5.

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");
console.log(example.points.length); // 5

Specifications

Specification
Scalable Vector Graphics (SVG) 2
# __svg__SVGNameList__length

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