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October 29, 2017 08:15
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DOM监听-监听节点变化-addEventListener_DOMSubtreeModified
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//js_snippet_addEventListener_DOMSubtreeModified | |
function triggerPageEvent(frame) { | |
var _targetElement = frame.document.getElementById('SlideLabel-Medium14').getElementsByTagName('span')[0]; | |
if(_targetElement.addEventListener){ | |
_targetElement.addEventListener('DOMSubtreeModified', function(){ | |
//todo anything you want | |
getCurrentPageNo(_targetElement.innerHTML, frame); | |
}, false); | |
}else{ | |
console.error('addEventListener is not a function',400); | |
} | |
} |
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