1 Get the element
html from the collection with the specified serial number:
JS
2 Get elements with consistent specified conditions and specified range
html:
JS
3 Get elements consistent with the conditional expression
html:
js
4 Get the previous element and next element of the element
Html:
No. 1
No. 2
No. 3
No. 4
No. 5
No. 6
No. 7< /p>
js
//Get the next element of the element
jQuery(function(){
$("p").next(".yes").css("color", "red");
})
//Get the previous element of the element
jQuery(function(){
$("p").prev(".yes").css( "color","red");
})
5 Get the parent element and child element of the element
html:
No. 1
No. 2
No. 3
No. 4
No. 5
No. 6
No. 7
js
//Get the parent element of the element
jQuery( function(){
$("p").parent().css("color","red");
})
//Get the child elements of the element
jQuery(function (){
$("#aa").children(".yes").css("color","red");
})
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
