jQuery anchor jump scroll bar smooth scrolling one sentence code
$(" html,body").animate({scrollTop: $("#box").offset().top}, 1000);
Here are some jquery tips1. Control the compilation results
<%if (false) { %>
<%}%>
2.
1 .If you want to use the functions provided by jQuery, you must first construct a jQuery wrapper set.
Convert the Dom element into a jQuery wrapper set
var div = document.getElementById("testDiv"); //Dom element
var domToJQueryObject = $(div); //jQuery packaging
3.jQuery wrapper set to DOM object
var domObject = $("#testDiv")[0]; // Get the DOM object
$("#testDiv").each(function() { $(this).html("Modify Content") })//Convert to jQuery wrapper set operation
4.
jQuery( callback )
Returns: jQuery
Abbreviation of $(document).ready()
----------------------------- -------------------------------------------------- -
Learn jQuery from scratch (3) Manage jQuery packaging set
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
