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Is onload equal to readyState==4 in XMLHttpRequest?
...sents XHR 2 is CORS support so from that standpoint XHR 2 didn't appear in IE until IE 10 but XHR.onload was supported in IE 9 which is typically believed to be XHR 1.
– Chase
Nov 5 '14 at 6:39
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从源代码剖析Mahout推荐引擎 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...Model: 用户ID，物品ID (UserID,ItemID)，这种方式表达用户是否浏览过该物品，但并未对物品进行打分。
4. 相似度算法工具集
相似度算法分为2种
基于用户(UserCF)的相似度算法
基于物品(ItemCF)的相似度算法
1). 基于用户(UserCF)...
Scroll to the top of the page using JavaScript?
...answered Jul 17 '09 at 18:42
daniellmbdaniellmb
31.2k44 gold badges4747 silver badges6060 bronze badges
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Difference between console.log() and console.debug()?
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For at least IE, Firefox and Chrome consoles, .debug() is just an alias for .log() added for improved compatibility
https://developer.mozilla.org/en-US/docs/Web/API/console
https://developers.google.com/chrome-developer-tools/docs/conso...
How to extract the hostname portion of a URL in JavaScript
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window.location.origin is undefined in IE9 (according to the link, it's IE11+). This answer helped.
– Neolisk
Feb 24 '17 at 19:49
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Is object empty? [duplicate]
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I'm assuming that by empty you mean "has no properties of its own".
// Speed up calls to hasOwnProperty
var hasOwnProperty = Object.prototype.hasOwnProperty;
function isEmpty(obj) {
// null and undefined are "empty"
if (obj == null) return true;
// Assume if i...
How do I keep CSS floats in one line?
...tion, combined with min-width cause everything to stay on the same line in IE7+
IE6 does not implement min-width, but it has a bug such that width: 100px overrides the !important declaration, causing the container width to be 100px.
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jQuery Event Keypress: Which key was pressed?
... does work like a charm though thx for the tip!
– daniellmb
Sep 2 '09 at 19:12
Uncaught TypeError: String.charCodeAt i...
JavaScript loop through json array?
...onsole.log(obj.id);
}
Or like this (suggested from Eric) be careful with IE support
json.forEach(function(obj) { console.log(obj.id); });
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Warn user before leaving web page with unsaved changes
...t.';
(e || window.event).returnValue = confirmationMessage; //Gecko + IE
return confirmationMessage; //Gecko + Webkit, Safari, Chrome etc.
});
The problem with this approach is that submitting a form is also firing the unload event. This is fixed easily by adding the a flag that you're su...