why use svg teg

Answer 1

SVG is used for drawing on HTML5
Eg:
<svg>
<path
d="M 20 60 l 3 10 l 50 -20"
style="fill: none; stroke: green;"
/>
</svg>

//draws a green mark symbol.

Answer 2

Follow this tutorial
https://jakearchibald.com/2013/animated-line-drawing-svg/
It teaches you to use vector drawing software Inkscape or Illustrator to create SVG line and animated it using Css and Javascript.

Here the sample:

https://code.sololearn.com/Wk0dg4tllEvy/?ref=app