Function attrString

explainshell/web/static/js/d3.v3.js:7219–7224

()

    }
    return d3_transition_tween(this, "attr." + nameNS, value, function(b) {
      function attrString() {
        var a = this.getAttribute(name), i;
        return a !== b && (i = interpolate(a, b), function(t) {
          this.setAttribute(name, i(t));
        });
      }
      function attrStringNS() {
        var a = this.getAttributeNS(name.space, name.local), i;
        return a !== b && (i = interpolate(a, b), function(t) {