JavaScript中所有变量及函数名会自动提升
http://www.cnblogs.com/betarabbit/archive/2012/01/28/2330446.html
IhaveinstalledApache,PHP,andMySQLonMacOSXsinceLeopard.Eachtimedoingsobyhand.EachversionofMacOSXhavingsomeminordifference…
1、downloadtheandroidsourcecodeReferencefromhttp://source.android.com/source/downloading.htmlfollowthereference:Createthe…
HTML5DemosandExamplesHTML5experimentationanddemosI'vehackedtogether.Clickonthebrowsersupporticonorthetechnologytagtofilt…
在python中,有个运算方法,他有个有趣的名字--短路逻辑这个说法其实是就在or逻辑判断的时候,运算方式,在or运算判断时,从左到右的运算顺序,如果有一个满足条件立马退出!举个栗子:a=5b=4x=8ifx==(aorb):print('…
Ihaveissuewith:<form:checkboxespath="roles"cssClass="checkbox"items="${roleSelections}"/>Ifpreviouslineisusedinjsp…
Thealert,confirm,andpromptboxesThethree"commands"involvedincreatingalert,confirm,andpromptboxesare:window.alert()window.…
自http://www.cnblogs.com/BeginMan/p/3197123.html一、and:在Python中,and和or执行布尔逻辑演算,如你所期待的一样,但是它们并不返回布尔值;而是,返回它们实际进行比较的值之一。>…
今天给大家分享一篇文章,原文地址:http://jamesallardice.com/explaining-function-and-variable-hoisting-in-javascript/javascript的域机制(scopin…