merge master and dev
merge master and dev
merge master and dev
merge master and dev
merge master and dev
Merge master and dev
Merge master and dev
Merge master and dev
Merge master and dev
write a Usage of preventDefault() in event.js

Signed-off-by: arcticlion <david.malan@aol.com>
write a Usage of stopPropagation() in event.js

Signed-off-by: arcticlion <david.malan@aol.com>
write a Usage of eventPhase in event.js

Signed-off-by: arcticlion <david.malan@aol.com>
refine event.js

Signed-off-by: arcticlion <david.malan@aol.com>
add eventForIE.js

Signed-off-by: arcticlion <david.malan@aol.com>
attachEvent()中event的使用

Signed-off-by: arcticlion <david.malan@aol.com>
HTML特性指定的事件处理程序中event的用法

Signed-off-by: arcticlion <david.malan@aol.com>
write a Different of event.srcElement in eventForIE.js

Signed-off-by: arcticlion <david.malan@aol.com>
write a Usage of returnValue in eventForIE.js

Signed-off-by: arcticlion <david.malan@aol.com>
write a Usage of cancelBubble in eventForIE.js

Signed-off-by: arcticlion <david.malan@aol.com>
modify addHandler.js to EventUtil.js

Signed-off-by: arcticlion <david.malan@aol.com>