The textLength read-only property of the SVGTextContentElement interface reflects the textLength attribute of the given element.
textLength Property<svg width="200" height="100">
<text id="myText" x="10" y="50" textLength="100" lengthAdjust="spacing">
Hello, SVG!
</text>
</svg>const textElement = document.getElementById("myText");
// Access the textLength property
const animatedLength = textElement.textLength;
// The base value of the textLength attribute
console.log(animatedLength.baseVal.value); // Output: 100