js 在线统计字数源码

function calCount() {var Words= document.getElementById("messContent").value;var W = new Object();var Result = new Array();var iNumwords = 0;var sNumwords = 0;var sTotal = 0;//双字节字符;var iTotal = 0;//中文字符；var eTotal = 0;//Ｅ文字符var otherTotal = 0;var bTotal = 0;var inum = 0;for (i=0; i<Words.length; i++) {var c = Words.charAt(i);if (c.match(/[\u4e00-\u9fa5]/)) {if (isNaN(W[c])) {iNumwords++;W[c] = 1;}iTotal++;}}for (i=0; i<Words.length; i++) {var c = Words.charAt(i);if (c.match(/[^\x00-\xff]/)) {if (isNaN(W[c])) {sNumwords++;}sTotal++;}else{eTotal++;}if (c.match(/[0-9]/)) {inum++;}}return iTotal*2+(sTotal-iTotal)*2+eTotal;}