"[href^=https:]" does not work while "[href^='https:']" does about sizzle HOT 4 CLOSED

http://www.w3.org/TR/selectors/#attribute-representation

Attribute values must be CSS identifiers or strings. [CSS21]

http://www.w3.org/TR/CSS21/syndata.html#value-def-identifier

In CSS, identifiers (including element names, classes, and IDs in selectors) can contain only the characters [a-zA-Z0-9] and ISO 10646 characters U+00A0 and higher, plus the hyphen (-) and the underscore (_)

from sizzle.

Couldn't you then escape it? "[href^=https:]"

Identifiers can also contain escaped characters and any ISO 10646 character as a numeric code (see next item). For instance, the identifier "B&W?" may be written as "B&W?" or "B\26 W\3F".

from sizzle.

Why not quote it?

from sizzle.

Agreed.

from sizzle.