{var%20f='http://v.t.sina.com.cn/share/share.php?appkey=1515056452',u=z||d.location,p=['&url=',e(u),'&title=',e(t||d.title),'&source=',e(r),'&sourceUrl=',e(l),'&content=',c||'gb2312','&pic=',e(p||'')].join('');function%20a(){if(!window.open([f,p].join(''),'mb',['toolbar=0,status=0,resizable=1,width=440,height=430,left=',(s.width-440)/2,',top=',(s.height-430)/2].join('')))u.href=[f,p].join('');};if(/Firefox/.test(navigator.userAgent))setTimeout(a,0);else%20a();})(screen,document,encodeURIComponent,'','','https://www.manongdao.com/data/attach/logo/logo.png', '推荐 forever°为你锁心 的问题《Overriding [removed] on Webbrowser Control》','https://www.manongdao.com/q-890651.html','页面编码gb2312|utf-8默认gb2312'));){kind=link}
This might seem a weird question, but is there a way to override the window.location without making the browser control navigate to it? The problem I am having is that i am injecting html code in the control, and the window.location is about:blank - causing errors on some javascript code. Trying to make them think they are in a URL other than about:blank
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I've had success with Object.defineProperty() when
document.documentMode >= 9(IE9+).To get the WebBrowser control in IE9+ mode, I first load the following URL:
This gives a mostly empty document in the latest document mode.
Then to redefine
window.location, I execute some script via eval() or document.write():The complete sequence is like this:
WebBrowser.ReadyState == 4or theDocumentCompleteevent.document.open()(important).document.close()(ensures onload gets called).Note: I use the ActiveX WebBrowser control, and not the .NET component which is a wrapper around that control. It will probably work the same in .NET.
HTML5 drafts include
window.history.pushState+window.onpopstate, but this is not supported by Trident (MSHTML), and doesn't allow for navigating across domains, nevermind URL schemes.Some JavaScript implementations also support user-defined getters and setters, so you could maybe do
window.__defineGetter__('location', function() { return fakeLocation }), but yet again I believe that won't work with IE's control.Echoing the commenters: what are you doing?
It is not possible to replace the
window.locationproperty.window.locationis a non-configurable property, which means that it cannot be modified.The only messy workaround that I can use is to do a find and replace (replace the
window.locationline with an empty string or something) on the script text before executing it.