Scroll to the id of the specified Element + the element is automatically loaded when it appears in the browser display area.

// Scroll to the id of the specified element, for example, $ ("# Exam82 ")

Function Jump (){

Var scroll_offset = $ ("# Exam82"). offset (); // obtain the offset of the div layer Exam82, which contains two values: top and left.

$ ("Body, html"). animate ({

ScrollTop: scroll_offset.top // make the scrollTop of the body equal to the top of Exam82, so that the scrolling is realized.

}, 2000); // 2000 controls the scroll speed}

// The element is automatically loaded when it appears in the browser display area.

Function autoloading (){

// Obtain the distance from $ ("# Exam86") to the top ($ ("# Exam86 "). offset (). top)-the height of the area displayed in the browser ($ (window ). height ())

Var totalheight = parseFloat ($ ("# Exam86"). offset (). top)-parseFloat ($ (window). height ());

// Obtain the vertical height from the scroll bar to the top:

Var guen = $ (document). scrollTop ();

If (parseInt (totalheight) <parseInt (guen )){

Alert ("loading... ");

}

}