js拼音排序并按字母分类

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js拼音排序并按字母分类，需要String支持localeCompare

ie8,firefox,chrome测试通过

function pySegSort(arr,empty) {if(!String.prototype.localeCompare)return null;var letters ="*abcdefghjklmnopqrstwxyz".split('');var zh ="啊把差大额发噶哈级卡啦吗那哦爬器然啥他哇西呀咋".split('');var segs = [];var curr;$.each(letters, function(i){curr = {letter: this, data:[]};$.each(arr, function() {if((!zh[i-1] || zh[i-1].localeCompare(this) <= 0) && this.localeCompare(zh[i]) == -1) {curr.data.push(this);}});if(empty || curr.data.length) {segs.push(curr);curr.data.sort(function(a,b){return a.localeCompare(b);});}});return segs;}

JSON.stringify(pySegSort(["我","不","懂","爱","啊","按","已","呀","选","县"]))//结果"[{"letter":"a","data":["啊","爱","按"]},{"letter":"b","data":["不"]},{"letter":"d","data":["懂"]},{"letter":"w","data":["我"]},{"letter":"x","data":["县","选"]},{"letter":"y","data":["呀","已"]}]"

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