This document covers: changes and adjustments in Javascript, DOM, HTML, CSS, etc. during the upgrade from IE6 to IE11.
Reference based on MSDN:
1.Appendix 1: Internet Explorer 6 to Internet Explorer 9 Browser Changes
http://technet.microsoft.com/en-us/library/gg699425.aspx
2. Appendix 1: Browser changes from Internet Explorer 6 to Internet Explorer 9
http://technet.microsoft.com/zh-cn/library/gg699425.aspx
3.Internet Explorer 9 Compatibility Cookbook
http://msdn.microsoft.com/zh-cn/library/ff986083(v=vs.85).aspx
4. Learn by doing IE9 Compatibility Operation Manual
http://msdn.microsoft.com/zh-tw/ie/gg712396
5.Internet Explorer 11 Developer Guide
https://msdn.microsoft.com/zh-cn/library/ie/bg182636(v=vs.85).aspx
Table of contents
Overview 2
Chapter 1: HTML 3
Section 1: IE7-IE8 Update 3
1. If a P element that is missing a closing tag is followed by a TABLE, FORM, NOFRAMES, or NOSCRIPT element, the closing tag is automatically added. 3
2. Support for valid, well-formed tags and no longer support for malformed HTML. 4
3. The default type of Button label is changed from button to submit. 5
4. Some attributes of COL and COLGROUP elements and the CSS properties set for them are no longer supported. 6
Section 2: IE8-IE9 update 7
1. Table object mode is now more consistent with other browsers. 7
2. Text layout uses natural metrics rather than Graphics Device Interface (GDI) metrics. 9
Chapter 2: CSS 11
Section 1: IE6-IE7 update 11
1. The overflow content of the box model now intersects with the box, and the box no longer automatically grows to accommodate the content. 11
2. Some CSS filters (such as *HTML, _underscore and /**/ comments) are no longer supported. 13
3. The problem that SELECT elements cannot be covered by div has been solved. 15
4. CSS styles are case-sensitive. 16
5. The height and width in Style need to enter the unit at the end, such as px 16
Section 2: IE7-IE8 update 17
1. CSS expressions are no longer supported, and enhanced CSS or DHTML logic is supported instead. 17
Section 3: IE8-IE9 update 18
1. Thai and East Asian text and font sizes may appear smaller than other typefaces. 18
2. Some behavioral connection methods are not available in XML schema. 19
Section 4: IE9-IE10 update 20
1. CSS behavior is no longer supported and htc expressions are completely abandoned. 20
Chapter 3: Javascript and DOM 21
Section 1: IE6-IE7 Update 21
1. The window.opener trick used to bypass the window.close prompt is no longer allowed. twenty one
2. Modal or modeless dialog boxes created from scripts appear to be slightly larger. twenty one
Section 2: IE7-IE8 update 22
1. Support "class" syntax, and no longer support "className" attribute syntax. twenty two
2. The property collection no longer contains all possible properties recognized by Internet Explorer. twenty three
3. Property ordering has changed, affecting property sets, innerHTML and outerHTML. twenty four
4. GetElementById is case-sensitive and no longer searches the name attribute. twenty four
5. The Unset property of the currentStyle object now returns its initial value. 25
6. The Unset property value of the style object now returns an empty string. 26
Section 3: IE8-IE9 update 27
1. Angle brackets <> are not allowed in the createElement method. 27
2. IE9 standards mode does not support the arguments.caller attribute. 28
3. Calling methods using function pointers without ".call" or ".bind" is no longer supported. 29
4. No more linking content properties to DOM expando. 30
5. JavaScript property enumeration is different in IE9. 31
6. Math accuracy is different in IE9. 33
7. Indirect "eval" function calls behave differently. 34
8. IE9 handles array items with large indexes differently. 35
9. Overlapping elements will be copied. 36
10. Spaces will be preserved in the DOM. 37
11. Some DOM events are obsolete. 38
Section 4: IE10-IE11 update 39
1. AttachEvent has been deleted and addEventListener is used instead. 39
2. window.execScript has been removed and eval is used instead. 39
3. window.doScroll has been deleted and replaced by window.scrollLeft and window.scrollTop. 39
4. document.all has been deleted and document.getElementById is used instead. 40
5. document.fileSize and img.fileSize have been deleted, and the source can be extracted using XMLHttpRequest. 40
6. script.onreadystatechange and script.readyState have been removed, use script.onload instead. 40
7. Document.selection has been removed and window.getSelection is used instead. 40
8. document.createStyleSheet has been removed, use document.createElement("style") instead. 40
9. style.styleSheet has been deleted and used style.sheet instead. 40
10. Removed window.createPopup, use div or iframe instead (high zIndex value). 40
Chapter 4: Other updates 40
Section 1: IE7-IE8 update 40
1. The file upload control only submits the file path to the server without providing the full path. 40
Section 2: IE8-IE9 update 41
1. The default user agent (UA) string has been changed. 41
Author: BobLiu
Email: lzd_ren@hotmail.com
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