Find and download inline SVG images.

__download_svgs.js

// @url https://t-hamano.github.io/wordpress-icon-list/
let __download_svgs = () => {
  const kebaptize = ( t ) => t.split( "" ).map( ( c, x ) => c === c.toUpperCase() ? `${ x != 0 ? "-" : "" }${ c.toLowerCase() }` : c ).join( "" );
  let svg, file, a, allow = [ "xmlns", "viewBox" ];
  document.querySelectorAll( ".iconlist button" ).forEach( ( btn, x ) => {
    a = document.createElement( "a" );
    a.innerHTML = btn.innerHTML;
    btn.replaceWith( a );
    svg = a.querySelector( "svg" );
    console.log( x, svg );
    svg.getAttributeNames().map( attr => 
      allow.includes( attr ) ? attr : svg.removeAttribute( attr )
    );
    file = new File( [ svg.outerHTML ], `${ kebaptize( a.querySelector( "span" ).textContent ) }.svg`, { type: "image/svg+xml" } );
    a.href = URL.createObjectURL( file );
    a.download = file.name;
    a.click();
  } );
};