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Sample Code for Voting Based on js, sample code for js Voting
The example in this article describes how to implement the three voting methods in JavaScript and shares them with you for your reference. The details are as follows:
I. js columnar voting chart
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Implementation Code:
<! DOCTYPE html PUBLIC "-// W3C // dtd xhtml 1.0 Transitional // EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">Ii. JS Voting
:Implementation Code:
<! Doctype html public "-// W3C // dtd html 4.0 Transitional // EN"> <HTML> <HEAD> <TITLE> vote </TITLE> <meta name = "Generator" CONTENT = "EditPlus"> <meta name = "Author" CONTENT = ""> <meta name = "Keywords" CONTENT = ""> <meta name = "Description" CONTENT =" "> <mce: style> <! --. Voteresult {margin: 2px; margin-top: 5px; display: block; float: left; width: 250px; height: 10px; background-color: # EEE; overflow: hidden ;}. style3 {background-color: #666666 ;}--> </mce: style> <style mce_bogus = "1">. voteresult {margin: 2px; margin-top: 5px; display: block; float: left; width: 250px; height: 10px; background-color: # EEE; overflow: hidden ;}. style3 {background-color: #666666;} </Style> <mce: script type = "text/javascript"> <! -- Var total_vote = 0; var lq_vote = 0; var zq_vote = 0; var ppq_vote = 0; function vote () {var selectItem = 0; var items = document. getElementsByName ("item"); for (I = 0; I <items. length; I ++) {if (items [I]. checked) {selectItem ++; total_vote ++; switch (parseInt (items [I]. value) {case 1: lq_vote ++; break; case 2: zq_vote ++; break; case 3: ppq_vote ++; break ;}}} if (selectItem <= 0) {alert ("select your favorite sports first"); return;} var lq_num = new Number (lq_vote/total_vote ); var zq_num = new Number (zq_vote/total_vote); var ppq_num = new Number (ppq_vote/total_vote); alert ("voting successful"); setSpanWidth (lq_num, 1 ); setSpanWidth (zq_num, 2); setSpanWidth (ppq_num, 3); for (I = 0; I <items. length; I ++) {items [I]. checked = false ;}/// set the voting result to display function setSpanWidth (vote_num, type) {var _ width = new Number (250 * vote_num); var _ span = document. getelementbyidx_x_x ("span" + type); var _ span1 = document. getelementbyidx_x_x ("span1" + type); // alert (_ span. style. width); _ span. style. width = _ width. toFixed (0); var _ percent = new Number (100 * vote_num); _ span1.innerHTML = _ percent. toFixed (1) + "%" ;}// --> </mce: script> </HEAD> <BODY> your favorite sports: <br> basketball <input type = "checkbox" name = "item" value = "1"> football <input type = "checkbox" name = "item" value = "2"> Table Tennis <input type = "checkbox" name = "item" value = "3"> <br> <input type = "button" value = "Submit" onclick = "vote (); "> <br> <table> <tr> <td colspan = 3> <B> voting result </B> </td> </tr> <tr> <td> basketball </td> <div class = "voteresult"> <span id = "span1" class = "style3" style = "width: 0px; "> </span> </div> </td> <span id =" span11 "> 0% </span> <td> </tr> <tr> <td> football </td> <div class = "voteresult"> <span id = "span2" class = "style3" style = "width: 0px; "> </span> </div> </td> <span id =" span12 "> 0% </span> <td> </tr> <tr> <td> Table Tennis </td> <div class = "voteresult"> <span id = "span3" class = "style3" style = "width: 0px; "> </span> </div> </td> <span id =" span13 "> 0% </span> <td> </tr> </table> </BODY> </HTML>Iii. Voting
:Implementation Code:
<! DOCTYPE html PUBLIC "-// W3C // dtd xhtml 1.0 Transitional // EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">The above is all the content of this article, hoping to help you learn.
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