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{ Category Archives } programming

IE, XHR, and GET caching

In my first Ajax and REST article, I talked about how the Ajax web programming style and the REST architectural style work well together. While this is true in theory, there are quite a few technical limitations of browsers’ XmlHttpRequest implementations that make it challenging to take advantage of some very basic HTTP capabilities. [...]

2007 03 21 Bill Higgins microsoft Comments (0)

the Javascript logical OR assignment idiom

I recently discovered that in Javascript v1.2 and later, the output of the logical OR operator is not simply boolean true or false, but rather:

the value of first operand, if the operand can be converted to any of the Javascript variants of “true” (anything other than: false, 0, null, undefined, or the empty string) or,
the [...]

2007 02 13 Bill Higgins Comments (1)