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JavaScript技巧与案例

最新推荐文章于 2024-10-08 18:56:44 发布

原创最新推荐文章于 2024-10-08 18:56:44 发布 · 208 阅读

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#JavaScript #CSS #Android #Oracle #Google #ViewUI

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本文探讨了JavaScript中的实用技巧，包括Shelljsdb函数的使用、短路逻辑运算符的应用及XMLHttpRequest对象的处理方式等。此外，还展示了如何利用setTimeout进行异步任务调度。

Jash: JavaScript Shell

jsdb

function Hello() {alert("caller is " + arguments.callee.caller.toString());}

is equivalent to this:

function Hello() {alert("caller is " + Hello.caller.toString());}

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pushlets适用么？

[url]http://www.parashift.com/c++-faq-lite/[/url]

<script>
setTimeout(function() {alert(1);}, 0);
setTimeout(function() {alert(2);}, 0);

var xhr = new XMLHttpRequest();
xhr.open("get", "hhhhh.html", true);
xhr.onreadystatechange = function() {
	if(xhr.readyState == 4) {
		if(xhr.status == 200) {
		} else {
			alert(3);
		}
	}
};
xhr.send(null);
</script>


java -jar a.jar


永远不要对你的另一半撒谎。

The Art of Dealing with Rejection

Scalable Vector Graphics

“What else is burried down in the depth’s of Google’s amazing JavaScript?”

set expandtab
set shiftwidth=4
set softtabstop=4
set tabstop=4

Short-circuit logic operators

js>var o = null;
js>var name = o && 23;
js>writeln(name);
null
js>var o = false;
js>var name = o && 23;
js>writeln(name);
false
js>var o = {};
js>var name = o && 23;
js>writeln(name);
23
js>var o = true;
js>var name = o && 23;
js>writeln(name);
23


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mysqladmin processlist -uroot -proot


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http://css-tricks.com/css-sprites/

SWEEGI

COTTA

DUMOKA

CORNER

Oracle Bone Script

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InsertDeleteSelectUpdate

Slynkr

Windows Registry Editor Version 5.00
[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\UnreadMail\xscript@live.com]
"MessageCount"=dword:00000017
"TimeStamp"=hex:9c,a6,1e,ca,de,4c,ca,01
"Application"="http://www.hotmail.com/"

mysql> select addr_id, value from data where value in(select value from data where value regexp '^[0-9]{11}$' group by value having count(value) > 1) union all select id, mobile from addr where mobile regexp '^[0-9]{11}$';