CONSOLE MESSAGE: line 2: Error: Script error. Test importScripts with error. AT_TARGET: 2, BLUR: 8192, BUBBLING_PHASE: 3, CAPTURING_PHASE: 1, CHANGE: 32768, CLICK: 64, DBLCLICK: 128, DRAGDROP: 2048, FOCUS: 4096, KEYDOWN: 256, KEYPRESS: 1024, KEYUP: 512, MOUSEDOWN: 1, MOUSEDRAG: 32, MOUSEMOVE: 16, MOUSEOUT: 8, MOUSEOVER: 4, MOUSEUP: 2, NONE: 0, SELECT: 16384, bubbles: false, cancelBubble: false, cancelable: true, clipboardData: undefined, colno: 14, currentTarget: [object Worker], defaultPrevented: false, eventPhase: 2, filename: http://127.0.0.1:8000/workers/resources/worker-importScripts-error.js, initEvent: function initEvent() { [native code] }, lineno: 2, message: Error: Script error., preventDefault: function preventDefault() { [native code] }, returnValue: true, srcElement: [object Worker], stopImmediatePropagation: function stopImmediatePropagation() { [native code] }, stopPropagation: function stopPropagation() { [native code] }, target: [object Worker], type: error