Method handleChange

deps/v8/tools/zone-stats/trace-file-reader.js:42–47

(event)

  }

  handleChange(event) {
    // Used for drop and file change.
    event.preventDefault();
    var host = event.dataTransfer ? event.dataTransfer : event.target;
    this.readFile(host.files[0]);
  }

  handleDragOver(event) {
    event.preventDefault();