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detect robot
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| void function () { | |
| if (!window.tracker) { | |
| return; | |
| } | |
| var events = ['scroll', 'click', 'mousemove', 'keydown', 'mousedown']; | |
| for (var i = 0; i < events.length; i++) { | |
| addHandler(document, events[i], detect); | |
| } | |
| function detect(event) { | |
| for (var i = 0; i < events.length; i++) { | |
| removeHandler(document, events[i], detect); | |
| } | |
| track(event) | |
| } | |
| function addHandler(element, type, handler) { | |
| if (element.addEventListener) { | |
| element.addEventListener(type, handler, false); | |
| } else { | |
| element.attachEvent('on' + type, handler) | |
| } | |
| } | |
| function removeHandler(element, type, handler) { | |
| if (element.removeEventListener) { | |
| element.removeEventListener(type, handler); | |
| } else { | |
| element.detachEvent('on' + type, handler); | |
| } | |
| } | |
| function track(event) { | |
| var action = event.type; | |
| tracker.evt('detect_robot', {human: '1', behavior: action}); | |
| } | |
| }(); |
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