標籤：des style http color 使用 strong
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"><html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en"><head><style type="text/css"></style></head><body><iframe id="ifr1" width="300px" height="200px"></iframe><input type="button" value="focus" id="btn1"/><script>window.onload=function(){ifr = document.getElementById(‘ifr1‘);doc = ifr.contentWindow.document;//alert(doc);doc.designMode = ‘on‘;doc.open();doc.write(‘<html><head></head><body></body></html>‘);doc.close();var btn1 = document.getElementById(‘btn1‘);btn1.onclick = function(){console.log(‘click‘);doc.body.focus(); //相容 chrome IE//這個並不會觸發body.focus而是會觸發ifr.contentDocument.defaultView.onfocusifr.contentDocument.defaultView.focus();//相容FF chrome //如果有了這個上面的就不起作用了。};doc.body.onfocus = function(){ //直接使用會報錯,ie下只有body結束所以//doc.write(‘<html><head></head><body></body></html>‘);console.log(‘doc.body.onfocus‘);}doc.body.onblur = function(){ console.log(‘doc.body.onblur‘);}//ifr.contentDocument.defaultView.onfocus = function(){console.log(‘contentDocument.defaultView.onfocus‘);}ifr.contentDocument.defaultView.onblur = function(){console.log(‘contentDocument.defaultView.onblur‘);}}/** 總結如下* 獲得焦點 if(ff){ifr.contentDocument.defaultView.focus();}else{doc.body.focus();}* 總結如下* 焦時間點事件if(ie){doc.body.onfocus = function(){ console.log(‘doc.body.onfocus‘);}}else{ifr.contentDocument.defaultView.onfocus = function(){console.log(‘contentDocument.defaultView.onfocus‘);}}*/</script></body></html>
如果Jquery
$(ifr.contentDocument.defaultView).focus();
會觸發兩個
doc.body.onfocus 和 contentDocument.defaultView.onfocus；
慎用。。。。。
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