How to use jQuery selectors ?

Examples of usage of jQuery selector

1. Select all elements

$("*")

2. Select the current HTML element

$(this)

3. Selects all <p> elements with class="intro"

$("p.intro")

4. Selects the first <p> element

$("p:first")

5. Selects the first <li> element of the first <ul>

$("ul li:first")

6. Selects the first <li> element of every <ul>

$("ul li:first-child")

7. Selects all elements with an href attribute

$("[href]")

8. Selects all <a> elements with a target attribute value equal to "_blank"

$("a[target='_blank']")

9. Selects all <a> elements with a target attribute value NOT equal to "_blank"

$("a[target!='_blank']")

10. Selects all <button> elements and <input> elements of type="button"

$(":button")

11. Selects all even <tr> elements

$("tr:even")

12. Selects all odd <tr> elements

$("tr:odd")