SVGPatternElement: y property
Baseline
Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.
The y read-only property of the SVGPatternElement interface describes the y-axis coordinate of the start point of the pattern as an SVGAnimatedLength. It reflects the computed value of the y attribute on the <pattern> element.
The attribute value can be a <length>, <percentage>, or <number>. The numeric value of the SVGAnimatedLength.baseVal is the y-coordinate of the pattern's starting point in the user coordinate system.
Value
Example
Given the following SVG:
html
<svg viewBox="0 0 200 200" xmlns="http://www.w3.org/2000/svg">
<defs>
<!-- First pattern -->
<pattern
id="pattern1"
y="50"
width="20"
height="20"
patternUnits="userSpaceOnUse">
<circle cx="10" cy="10" r="10" fill="blue" />
</pattern>
<!-- Second pattern -->
<pattern
id="pattern2"
y="100"
width="20"
height="20"
patternUnits="userSpaceOnUse">
<circle cx="10" cy="10" r="10" fill="red" />
</pattern>
</defs>
<!-- Using the patterns -->
<rect x="0" y="0" width="100" height="100" fill="url(#pattern1)" />
<rect x="100" y="0" width="100" height="100" fill="url(#pattern2)" />
</svg>
We can access the computed values of the y attributes:
js
const patterns = document.querySelectorAll("pattern");
console.log(patterns[0].y.baseVal.value); // output: 50
console.log(patterns[1].y.baseVal.value); // output: 100
Specifications
| Specification |
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| Scalable Vector Graphics (SVG) 2 # __svg__SVGPatternElement__y |
Browser compatibility
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