javascript - Use CSS to animate the fill of an SVG along the path -


i've seen lots of questions , answers how full object animation of color here. however, possible animate sharp, moving color block through fill (interior of path)? how 1 go animating svg that?

there couple javascript libraries can into: svgjs or snap.svg....should point in right direction.

just quick piece of code shw how snap work. give senario want change fill of svg on hover.

<svg id="targetsvg" ...>     <!-- path forming upper shell -->     <g>     <path id="1" fill="#000" d="..."/>     <path id="2" fill="#fff" d="..."/>     <path id="3" fill="#000" d="..."/>     </g> </svg>

javascript

//select svg want have effect on s = snap("#targetsvg");  s.select("g").hover( ishover, idhoverout );  function ishover() {     this.selectall('path').foreach( function( el ){         el.attr({ class: 'fadein' })  } ); };  function ishoverout() {     this.selectall('path').foreach( function( el ){         el.attr({ class: 'fadeout' })  } ); };

css styles

.fadein {    transition: fill 1s linear;    fill:blue; }  .fadeout {    transition: fill 1s linear; }

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