JQuery Selectors – Tutorial

Today we will discuss the JQuery Selectors 

jQuery selectors are one of the most important parts of the jQuery library.

JQuery Selecters

jQuery selectors are used to find HTML elements based on their name, idclassestypesattributes, values of attributes and much more. The selectors based on css selecters .

  • All selectors in jQuery start with the dollar sign and parenthe ses: $().
  • In other terms you are adding the TAG Name ,TAG ID ,TAG,Class

Syntax:-

        $(selector expression, context)
            
        jQuery(selector expression, context)
Example:
<!DOCTYPE html>
<html>
<head>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
<script>
$(document).ready(function(){ 
 $("button").click(function(){
    $("p").hide();  });
});
</script>
</head>
<body>
<h2>This is a heading</h2>
<p>This is a paragraph.</p><p>This is another paragraph.</p>
<button>Click me to hide paragraphs</button>
</body>
</html>

How To Use The Selectors

S.No.SelectorDescription
1)Name:It selects all elements that match with the given element name.
2)#ID:It selects a single element that matches with the given id.
3).Class:It selects all elements that matches with the given class.
4)Universal(*)It selects all elements available in a DOM.
5)Multiple Elements x,y,zIt selects the combined results of all the specified selectors x,y and z.

Some Other JQuery Selectors

SelectorExampleDescription
*$(“*”)It is used to select all elements.
#id$(“#firstname”)It will select the element with id=”firstname”
.class$(“.primary”)It will select all elements with class=”primary”
class,.class$(“.primary,.secondary”)It will select all elements with the class “primary” or “secondary”
element$(“p”)It will select all p elements.
el1,el2,el3$(“h1,div,p”)It will select all h1, div, and p elements.
:first$(“p:first”)This will select the first p element
:last$(“p:last”)This will select he last p element
:even$(“tr:even”)This will select all even tr elements
:odd$(“tr:odd”)This will select all odd tr elements
:first-child$(“p:first-child”)It will select all p elements that are the first child of their parent
:first-of-type$(“p:first-of-type”)It will select all p elements that are the first p element of their parent
:last-child$(“p:last-child”)It will select all p elements that are the last child of their parent
:last-of-type$(“p:last-of-type”)It will select all p elements that are the last p element of their parent
:nth-child(n)$(“p:nth-child(2)”)This will select all p elements that are the 2nd child of their parent
:nth-last-child(n)$(“p:nth-last-child(2)”)This will select all p elements that are the 2nd child of their parent, counting from the last child
:nth-of-type(n)$(“p:nth-of-type(2)”)It will select all p elements that are the 2nd p element of their parent
:nth-last-of-type(n)$(“p:nth-last-of-type(2)”)This will select all p elements that are the 2nd p element of their parent, counting from the last child
:only-child$(“p:only-child”)It will select all p elements that are the only child of their parent
:only-of-type$(“p:only-of-type”)It will select all p elements that are the only child, of its type, of their parent
parent > child$(“div > p”)It will select all p elements that are a direct child of a div element
parent descendant$(“div p”)It will select all p elements that are descendants of a div element
element + next$(“div + p”)It selects the p element that are next to each div elements
element ~ siblings$(“div ~ p”)It selects all p elements that are siblings of a div element
:eq(index)$(“ul li:eq(3)”)It will select the fourth element in a list (index starts at 0)
:gt(no)$(“ul li:gt(3)”)Select the list elements with an index greater than 3
:lt(no)$(“ul li:lt(3)”)Select the list elements with an index less than 3
:not(selector)$(“input:not(:empty)”)Select all input elements that are not empty
:header$(“:header”)Select all header elements h1, h2 …
:animated$(“:animated”)Select all animated elements
:focus$(“:focus”)Select the element that currently has focus
:contains(text)$(“:contains(‘Hello’)”)Select all elements which contains the text “Hello”
:has(selector)$(“div:has(p)”)Select all div elements that have a p element
:empty$(“:empty”)Select all elements that are empty
:parent$(“:parent”)Select all elements that are a parent of another element
:hidden$(“p:hidden”)Select all hidden p elements
:visible$(“table:visible”)Select all visible tables
:root$(“:root”)It will select the document’s root element
:lang(language)$(“p:lang(de)”)Select all p elements with a lang attribute value starting with “de”
[attribute]$(“[href]”)Select all elements with a href attribute
[attribute=value]$(“[href=’default.htm’]”)Select all elements with a href attribute value equal to “default.htm”
[attribute!=value]$(“[href!=’default.htm’]”)It will select all elements with a href attribute value not equal to “default.htm”
[attribute$=value]$(“[href$=’.jpg’]”)It will select all elements with a href attribute value ending with “.jpg”
[attribute|=value]$(“[title|=’Tomorrow’]”)Select all elements with a title attribute value equal to ‘Tomorrow’, or starting with ‘Tomorrow’ followed by a hyphen
[attribute^=value]$(“[title^=’Tom’]”)Select all elements with a title attribute value starting with “Tom”
[attribute~=value]$(“[title~=’hello’]”)Select all elements with a title attribute value containing the specific word “hello”
[attribute*=value]$(“[title*=’hello’]”)Select all elements with a title attribute value containing the word “hello”
:input$(“:input”)It will select all input elements
:text$(“:text”)It will select all input elements with type=”text”
:password$(“:password”)It will select all input elements with type=”password”
:radio$(“:radio”)It will select all input elements with type=”radio”
:checkbox$(“:checkbox”)Itwill select all input elements with type=”checkbox”
:submit$(“:submit”)It will select all input elements with type=”submit”
:reset$(“:reset”)It will select all input elements with type=”reset”
:button$(“:button”)It will select all input elements with type=”button”
:image$(“:image”)It will select all input elements with type=”image”
:file$(“:file”)It will select all input elements with type=”file”
:enabled$(“:enabled”)Select all enabled input elements
:disabled$(“:disabled”)It will select all disabled input elements
:selected$(“:selected”)It will select all selected input elements
:checked$(“:checked”)It will select all checked input elements
SelectorExampleDescription
*$(“*”)It is used to select all elements.
#id$(“#firstname”)It will select the element with id=”firstname”
.class$(“.primary”)It will select all elements with class=”primary”
class,.class$(“.primary,.secondary”)It will select all elements with the class “primary” or “secondary”
element$(“p”)It will select all p elements.
el1,el2,el3$(“h1,div,p”)It will select all h1, div, and p elements.
:first$(“p:first”)This will select the first p element
:last$(“p:last”)This will select he last p element
:even$(“tr:even”)This will select all even tr elements
:odd$(“tr:odd”)This will select all odd tr elements
:first-child$(“p:first-child”)It will select all p elements that are the first child of their parent
:first-of-type$(“p:first-of-type”)It will select all p elements that are the first p element of their parent
:last-child$(“p:last-child”)It will select all p elements that are the last child of their parent
:last-of-type$(“p:last-of-type”)It will select all p elements that are the last p element of their parent
:nth-child(n)$(“p:nth-child(2)”)This will select all p elements that are the 2nd child of their parent
:nth-last-child(n)$(“p:nth-last-child(2)”)This will select all p elements that are the 2nd child of their parent, counting from the last child
:nth-of-type(n)$(“p:nth-of-type(2)”)It will select all p elements that are the 2nd p element of their parent
:nth-last-of-type(n)$(“p:nth-last-of-type(2)”)This will select all p elements that are the 2nd p element of their parent, counting from the last child
:only-child$(“p:only-child”)It will select all p elements that are the only child of their parent
:only-of-type$(“p:only-of-type”)It will select all p elements that are the only child, of its type, of their parent
parent > child$(“div > p”)It will select all p elements that are a direct child of a div element
parent descendant$(“div p”)It will select all p elements that are descendants of a div element
element + next$(“div + p”)It selects the p element that are next to each div elements
element ~ siblings$(“div ~ p”)It selects all p elements that are siblings of a div element
:eq(index)$(“ul li:eq(3)”)It will select the fourth element in a list (index starts at 0)
:gt(no)$(“ul li:gt(3)”)Select the list elements with an index greater than 3
:lt(no)$(“ul li:lt(3)”)Select the list elements with an index less than 3
:not(selector)$(“input:not(:empty)”)Select all input elements that are not empty
:header$(“:header”)Select all header elements h1, h2 …
:animated$(“:animated”)Select all animated elements
:focus$(“:focus”)Select the element that currently has focus
:contains(text)$(“:contains(‘Hello’)”)Select all elements which contains the text “Hello”
:has(selector)$(“div:has(p)”)Select all div elements that have a p element
:empty$(“:empty”)Select all elements that are empty
:parent$(“:parent”)Select all elements that are a parent of another element
:hidden$(“p:hidden”)Select all hidden p elements
:visible$(“table:visible”)Select all visible tables
:root$(“:root”)It will select the document’s root element
:lang(language)$(“p:lang(de)”)Select all p elements with a lang attribute value starting with “de”
[attribute]$(“[href]”)Select all elements with a href attribute
[attribute=value]$(“[href=’default.htm’]”)Select all elements with a href attribute value equal to “default.htm”
[attribute!=value]$(“[href!=’default.htm’]”)It will select all elements with a href attribute value not equal to “default.htm”
[attribute$=value]$(“[href$=’.jpg’]”)It will select all elements with a href attribute value ending with “.jpg”
[attribute|=value]$(“[title|=’Tomorrow’]”)Select all elements with a title attribute value equal to ‘Tomorrow’, or starting with ‘Tomorrow’ followed by a hyphen
[attribute^=value]$(“[title^=’Tom’]”)Select all elements with a title attribute value starting with “Tom”
[attribute~=value]$(“[title~=’hello’]”)Select all elements with a title attribute value containing the specific word “hello”
[attribute*=value]$(“[title*=’hello’]”)Select all elements with a title attribute value containing the word “hello”
:input$(“:input”)It will select all input elements
:text$(“:text”)It will select all input elements with type=”text”
:password$(“:password”)It will select all input elements with type=”password”
:radio$(“:radio”)It will select all input elements with type=”radio”
:checkbox$(“:checkbox”)Itwill select all input elements with type=”checkbox”
:submit$(“:submit”)It will select all input elements with type=”submit”
:reset$(“:reset”)It will select all input elements with type=”reset”
:button$(“:button”)It will select all input elements with type=”button”
:image$(“:image”)It will select all input elements with type=”image”
:file$(“:file”)It will select all input elements with type=”file”
:enabled$(“:enabled”)Select all enabled input elements
:disabled$(“:disabled”)It will select all disabled input elements
:selected$(“:selected”)It will select all selected input elements
:checked$(“:checked”)It will select all checked input elements
SelectorExampleDescription
*$(“*”)It is used to select all elements.
#id$(“#firstname”)It will select the element with id=”firstname”
.class$(“.primary”)It will select all elements with class=”primary”
class,.class$(“.primary,.secondary”)It will select all elements with the class “primary” or “secondary”
element$(“p”)It will select all p elements.
el1,el2,el3$(“h1,div,p”)It will select all h1, div, and p elements.
:first$(“p:first”)This will select the first p element
:last$(“p:last”)This will select he last p element
:even$(“tr:even”)This will select all even tr elements
:odd$(“tr:odd”)This will select all odd tr elements
:first-child$(“p:first-child”)It will select all p elements that are the first child of their parent
:first-of-type$(“p:first-of-type”)It will select all p elements that are the first p element of their parent
:last-child$(“p:last-child”)It will select all p elements that are the last child of their parent
:last-of-type$(“p:last-of-type”)It will select all p elements that are the last p element of their parent
:nth-child(n)$(“p:nth-child(2)”)This will select all p elements that are the 2nd child of their parent
:nth-last-child(n)$(“p:nth-last-child(2)”)This will select all p elements that are the 2nd child of their parent, counting from the last child
:nth-of-type(n)$(“p:nth-of-type(2)”)It will select all p elements that are the 2nd p element of their parent
:nth-last-of-type(n)$(“p:nth-last-of-type(2)”)This will select all p elements that are the 2nd p element of their parent, counting from the last child
:only-child$(“p:only-child”)It will select all p elements that are the only child of their parent
:only-of-type$(“p:only-of-type”)It will select all p elements that are the only child, of its type, of their parent
parent > child$(“div > p”)It will select all p elements that are a direct child of a div element
parent descendant$(“div p”)It will select all p elements that are descendants of a div element
element + next$(“div + p”)It selects the p element that are next to each div elements
element ~ siblings$(“div ~ p”)It selects all p elements that are siblings of a div element
:eq(index)$(“ul li:eq(3)”)It will select the fourth element in a list (index starts at 0)
:gt(no)$(“ul li:gt(3)”)Select the list elements with an index greater than 3
:lt(no)$(“ul li:lt(3)”)Select the list elements with an index less than 3
:not(selector)$(“input:not(:empty)”)Select all input elements that are not empty
:header$(“:header”)Select all header elements h1, h2 …
:animated$(“:animated”)Select all animated elements
:focus$(“:focus”)Select the element that currently has focus
:contains(text)$(“:contains(‘Hello’)”)Select all elements which contains the text “Hello”
:has(selector)$(“div:has(p)”)Select all div elements that have a p element
:empty$(“:empty”)Select all elements that are empty
:parent$(“:parent”)Select all elements that are a parent of another element
:hidden$(“p:hidden”)Select all hidden p elements
:visible$(“table:visible”)Select all visible tables
:root$(“:root”)It will select the document’s root element
:lang(language)$(“p:lang(de)”)Select all p elements with a lang attribute value starting with “de”
[attribute]$(“[href]”)Select all elements with a href attribute
[attribute=value]$(“[href=’default.htm’]”)Select all elements with a href attribute value equal to “default.htm”
[attribute!=value]$(“[href!=’default.htm’]”)It will select all elements with a href attribute value not equal to “default.htm”
[attribute$=value]$(“[href$=’.jpg’]”)It will select all elements with a href attribute value ending with “.jpg”
[attribute|=value]$(“[title|=’Tomorrow’]”)Select all elements with a title attribute value equal to ‘Tomorrow’, or starting with ‘Tomorrow’ followed by a hyphen
[attribute^=value]$(“[title^=’Tom’]”)Select all elements with a title attribute value starting with “Tom”
[attribute~=value]$(“[title~=’hello’]”)Select all elements with a title attribute value containing the specific word “hello”
[attribute*=value]$(“[title*=’hello’]”)Select all elements with a title attribute value containing the word “hello”
:input$(“:input”)It will select all input elements
:text$(“:text”)It will select all input elements with type=”text”
:password$(“:password”)It will select all input elements with type=”password”
:radio$(“:radio”)It will select all input elements with type=”radio”
:checkbox$(“:checkbox”)Itwill select all input elements with type=”checkbox”
:submit$(“:submit”)It will select all input elements with type=”submit”
:reset$(“:reset”)It will select all input elements with type=”reset”
:button$(“:button”)It will select all input elements with type=”button”
:image$(“:image”)It will select all input elements with type=”image”
:file$(“:file”)It will select all input elements with type=”file”
:enabled$(“:enabled”)Select all enabled input elements
:disabled$(“:disabled”)It will select all disabled input elements
:selected$(“:selected”)It will select all selected input elements
:checked$(“:checked”)It will select all checked input elements
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