Function dispatch

explainshell/web/static/js/d3.v3.js:1153–1161

(event)

      }).map(y0.invert));
    }
    function dispatch(event) {
      rescale();
      d3.event.preventDefault();
      event({
        type: "zoom",
        scale: scale,
        translate: translate
      });
    }
    function mousedown() {
      var target = this, event_ = event.of(target, arguments), eventTarget = d3.event.target, moved = 0, w = d3.select(d3_window).on("mousemove.zoom", mousemove).on("mouseup.zoom", mouseup), l = location(d3.mouse(target));
      d3_window.focus();