Why does svg referencing an element with clip-path not work?

Question

When implementing an SVG sprite, an element is created and svg elements are referenced via the element. The containing

Answer 1

Use <svg style="width:0; height:0;"> instead of <svg style="display: none;"> to hide the sprite.

<!-- SVG element  -->

<svg id="svg-test" style="width:0; height:0;">
  <clipPath id="my-clip-1">
    <circle id="circle-1" cx="50" cy="50" r="50" />
  </clipPath>
  <path id="svg-test-reference" clip-path="url(#my-clip-1)" d="M10-39.288h80v80H10z" />
</svg>

<!-- Reference SVG <path> by ID with Use -->

<svg class="svg-item" viewBox="0 0 100 100">
  <use xlink:href="#svg-test-reference" />
</svg>

Live example on Codepen.io

Answer 2

In my case, using only "width" and "height" equals to zero, left a void area where should be the image. However, using display:content; instead display:none; works fine, no void area and no image.