jquery Note's Property selector finds page elements that start with a certain condition

jquery Note's Property selector finds page elements that begin with a condition reprint: http://www.blogbus.com/amyqiong-logs/78340326.html

$ ("Div[id]") finds all DIV elements that contain an id attribute.
$ ("div[id= ' Ajaxa ')") looks up the DIV element with ID Ajaxa.
$ ("div[id!= ' Ajaxa ')" looks for a DIV element with an ID other than Ajaxa.
$ ("div[id^= ' Ajaxa ')" finds the DIV element whose ID starts with Ajaxa.
$ ("div[id$= ' Ajaxa ')" finds the DIV element with an ID that ends with Ajaxa.
$ ("div[id*= ' Ajaxa ')" finds the DIV element with the ID Ajaxa.
$ ("div[id][class= ' Ajaxa ')" finds the DIV element that has the id attribute and the class is Ajaxa.

CSS to set the style,

[class^= "icon-"],
[class*= "icon-"] {
Font-family:fontawesome;
Font-weight:normal;
Font-style:normal;
Text-decoration:inherit;
-webkit-font-smoothing:antialiased;
*margin-right:. 3em;
}

JQuery Note's Property selector finds page elements that start with a certain condition