jQuery #id Selector

jQuery Selectors

The 　 #ID　 The selector is based on the element's id attribute value.

It is declared with a hash(#) before a string of one or more characters.

The ID of the element should be unique in the page, so the ID selector is used to select a unique element.

Note:Do not use numbers as the beginning of the id attribute, as it may cause exceptions in some browsers..

Syntax:

$("#id")

Example

Select the element with ID "demo":

$(document).ready(function(){
　　$("#demo").css("background-color", "yellow");
});

Parameter Value

jQuery Selectors