no work svg png code example

Example 1: svg img tag not showing

in the svg file change

xlink:href="data:img/png;base64,

to

xlink:href="data:image/png;base64,

Example 2: when svg file invented

1998
SVG was developed by the W3C SVG Working Group starting in 1998, after six competing vector graphics submissions were received that year: Web Schematics, from CCLRC.