html

<svg xmlns="http://www.w3.org/2000/svg" width="400" height="200">
  <defs>
    <path id="myPath" d="M10 80 C 40 10, 65 10, 95 80 S 150 150, 180 80" />
  </defs>
  <text font-size="20" fill="blue">
    <textPath id="myTextPath" href="#myPath" method="align">
      This text follows a path!
    </textPath>
  </text>
</svg>

js

const textPath = document.getElementById("myTextPath");

// Access the method property
console.log(textPath.method.baseVal); // Output: 1 (TEXTPATH_METHODTYPE_ALIGN)