The knowledge point record used by jquery to change the status title when scrolling a page to a screen

Trigger event when browser scroll bar scrolls

    // Trigger event    when browser scroll bar scrolls $ (window). Scroll (function() {});

Trigger event when browser window size changes

    // Trigger event    when browser window size changes $ (window). Resize (function() {});

Listen to all anchor links for smooth movement.

    //Listen to all anchor links for smooth movement.$ (' a[href*=#],area[href*=#] '). Click (function() {        if(Location.pathname.replace (/^\//, ") = = This. Pathname.replace (/^\//, ') && location.hostname = = This. Hostname) {            var$target = $ ( This. hash); $target= $target. Length && $target | | $ (' [name= ' + This. Hash.slice (1) + '] '); if($target. Length) {varTargetoffset =$target. Offset (). Top; //to improve the user experience, make algorithmic improvements to start                varClientHeight = Document.body.clientHeight;//Browser Visual HeightTargetoffset = targetoffset-(CLIENTHEIGHT/2) +100;//End$ (' html,body '). Stop (true). Animate ({Scrolltop:targetoffset},1000); return false; }        }    });

Gets an element based on the distance from the bottom of the current browser window

// gets an element based on the distance from the bottom of the current browser window function Get_element_window_bottom (choose) {    ifreturnfalse;     = $ (choose) [0].offsettop;     = $ (window). scrolltop ();     = Mtop- sTop;     // add an algorithm to improve user experience    Result    =    result+parseint (DOCUMENT.BODY.CLIENTHEIGHT/2);    return      result;}

Effect example diagram

The knowledge point record used by jquery to change the status title when scrolling a page to a screen