SVG:svg要素
x="top left corner when embedded (default 0)"
y="top left corner when embedded (default 0)"
width="the width of the svg fragment (default 100%)"
height="the height of the svg fragment (default 100%)"
viewBox="the points "seen" in this SVG drawing area.
4 values separated by white space or commas. (min x, min y, width, height)"
preserveAspectRatio="'none' or any of the 9 combinations of 'xVALYVAL' where VAL is 'min', 'mid' or 'max'. (default xMidYMid)"
zoomAndPan="'magnify' or 'disable'. Magnify option allows users to pan and zoom your file (default magnify)"
xml="outermost <svg> element needs to setup SVG and its namespace: xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" xml:space="preserve""
All
s.svg<svg
viewBox="0 0 300 100"
xmlns="http://www.w3.org/2000/svg"
stroke="red"
fill="pink">
<circle cx="50" cy="50" r="40" />
<circle cx="150" cy="50" r="4" />
<svg viewBox="0 0 10 10" x="200" width="100">
<circle cx="5" cy="5" r="4" fill="gold" />
</svg>
</svg>