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JavaScript imitation Baidu input box prompts automatic down-pull full _javascript tips

Source: Internet
Author: User
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This article illustrates the JavaScript input box automatic pull up full operation, imitation Baidu, Google search box prompts, the specific contents are as follows

Effect Chart:

Specific code:

<! DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 transitional//en" > <HTML> <HEAD> <TITLE> New Document ;/title> <meta name= "generator" content= "EditPlus" > <meta name= "Author" content= "" > <meta NAME= "Keyw Ords "Content=" "> <meta name=" Description "content=" "> <script type=" text/javascript "src=" Jquery.js "> </script> <script type= "Text/javascript" >/* Auto Pull up full zhk/var highlightindex=-1;//the currently highlighted node $ (document). R
 Eady (function () {var wordinput=$ ("#word");
 
  var wordinputoffset=wordinput.offset (); $ ("#auto"). Hide (). CSS ("Border", "1px black Solid"). CSS ("position", "absolute"). CSS ("Top", wordinputoffset.top+
 
 Wordinput.height () +5+ "px"). CSS ("left", wordinputoffset.left+ "px"). Width (wordinput.width () +2); Wordinput.keyup (function (event) {var myevent=event| |
  window.event;
  var Keycode=myevent.keycode; if (keycode>=65&&keycode<=90| |
   keycode==8| |keycode==46) {var wordtext=$ ("#word"). Val ();var autonode=$ ("#auto");
    
    if (wordtext!= "") {var wordnodes=$ ("span");
    Autonode.html ("");
     Wordnodes.each (function (i) {var wordnode=$ (this);
      
     var newdivnode=$ ("<div>"). attr ("id", i);
     Newdivnode.html (Wordnode.text ()). Appendto (Autonode); 
        Newdivnode.mouseover (function () {//mouse enters if (highlightindex!=-1) {$ ("#auto"). Children ("div"). EQ (highlightindex)
       . CSS ("Background-color", "white");
       } highlightindex=$ (this). attr ("id");
      $ (this). CSS ("Background-color", "Red");
      
       }) Newdivnode.mouseout (function () {//mouse remove $ (this). CSS ("Background-color", "white");
       }) Newdivnode.click (function () {//click var comtext=$ (this). text ();
     $ ("#auto"). Hide ();
     Highlightindex=-1;
       $ ("#word"). Val (Comtext);
    }) if (wordnodes.length>0) {autonode.show ();
     }else{autonode.hide ();
     Highlightindex=-1;
    }}else{autonode.hide (); HighLightindex=-1; }}else if (keycode==38| |
       KEYCODE==40) {if (keycode==38) {//Up Var autonodes=$ ("#auto"). Children ("div");
         if (highlightindex!=-1) {Autonodes.eq (highlightindex). CSS ("Background-color", "white");
       highlightindex--;
       }else{highlightindex=autonodes.length-1;
       } if (highlightindex==-1) {highlightindex=autonodes.length-1;
     } autonodes.eq (Highlightindex). CSS ("Background-color", "Red");
       } if (keycode==40) {var autonodes=$ ("#auto"). Children ("div");
       if (highlightindex!=-1) {Autonodes.eq (highlightindex). CSS ("Background-color", "white");
       } highlightindex++;
       if (highlightindex==autonodes.length) {highlightindex=0;
     } autonodes.eq (Highlightindex). CSS ("Background-color", "Red"); }else if (keycode==13) {if (highlightindex!=-1) {var comtext=$ ("#auto"). Hide (). Children ("div"). EQ (Highli
     Ghtindex). text (); HigHlightindex=-1;
     $ ("#word"). Val (Comtext);
      }else{alert (in the text box, "+$" ("#word"). Val () + "" submitted ");
       $ ("#auto"). Hide ();
 
  $ ("#word"). Get (0). blur ();//Lost Focus}}});
  $ ("Input [type= ' button ']"). Click (function () {alert (In the text box, +$ (#word). Val () + "" submitted ");
 
 
}); }) </script> </HEAD> <BODY> <input type= "text" id= "word" > <input type= "button" value= "Submit" &
Gt <div id= "Auto" ></div> <p> <span>aaa</span> <span>abc</span> <span> abd</span> <span>bbc</span> <span>beb</span> <span>cer</span> <span
 >erd</span> <span>beg</span> <p> </BODY> </HTML>

The above is the entire content of this article, I hope to learn JavaScript program to help you.

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