[attribute]

Matches elements that have the specified attribute like id, title, name, value etc.

                   $("div[id]")

The above will match all the divs which has a ID.

[attribute=value]

Matches elements that have the specified attribute with a certain value.

                        $("input[class=RedButton]")

The above example will find all the input elements with the class name RedButton. Here attribute is 'class' and value is 'RedButton'.

[attribute!=value]

Matches elements that either don't have the specified attribute or do have the specified attribute but not with a certain value.

                        $("input[class!=RedButton]")

The code will find the input elements which either don't have a class name attribute or have a class name with a value other then 'RedButton'.

[attribute^=value]

Will match elements that have the specified attribute and it starts with a certain value.

                        $("input[id^='txt']")

This code will find all the input elements which have an ID and the ID starts with 'txt'. Other input elements which have an ID but don't start with 'txt' will not be matched.

[attribute$=value]

Matches elements that have the specified attribute and it ends with a certain value.

                   $("input[id$='John']")

This code will find all the input elements which have an ID and the ID ends with 'John'. Other input elements which have an ID but don't start with 'John' will not be matched.

[attribute*=value]

Will match the elements that have the specified attribute and it contains a certain value.

                        $("input[name*='man']")

The code will match all the input elements which have the name attribute and the name attribute contains 'man'.

[attributeFilter1][attributeFilter2][attributeFilterN]

Matches elements that match all of the specified attribute filters.

                        $("input[id][name$='man']")

Finds all inputs that have an id attribute and whose name attribute ends with 'man'.