質問編集履歴
2
evalの部分の誤字を訂正。エラーメッセージを訂正
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```
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eval($after + '=' + $
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eval($after + '=' + $groups + ';');
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自分で書いてみたソースを追記
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しかしPHPでのやり方は載っていたのですが、javascriptのやり方がわかりません。
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お力添えよろしくお願いいたします。
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###発生している問題・エラーメッセージ
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```
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jquery-3.2.1.js:3869 Uncaught SyntaxError: Unexpected identifier
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```
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###該当のソースコード
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```ここに言語を入力
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<script
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src="https://code.jquery.com/jquery-3.2.1.js"
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integrity="sha256-DZAnKJ/6XZ9si04Hgrsxu/8s717jcIzLy3oi35EouyE="
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crossorigin="anonymous"></script>
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<script type="text/javascript">
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$(function(){
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/**
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連想配列を文字列に整形してコンソールに表示
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* @method console.hash
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* @param {hash} obj 処理対象のオブジェクト
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* @method format 連想配列を文字列に整形
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* @property {number} length オブジェクト全体の数
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* @property {number} count 整形処理をの終わったオブジェクト数
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* @property {string} outText コンソールに書き出すテキスト
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*/
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console.hash = function(obj) {
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this.count = 0;
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this.outText = "{\n";
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/**
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* @param {hash} obj 処理対象のオブジェクト
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* @param {number} times 処理中オブジェクトの階層
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*/
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this.format = function(obj,times){
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var i = 0;
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var _objlength = Object.keys(obj).length;
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for(key in obj){
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i++;
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//階層分のタブを追加
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var tabs = "";
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for(var j = 0; j < times+1; j++){
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}
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this.outText += tabs + key + ":";
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if(typeof obj[key] == "object"){
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this.outText += "{" + "\n";
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//下層のオブジェクト数を足す
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this.length += Object.keys(obj[key]).length;
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//再帰処理
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this.format(obj[key],times+1);
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if(i == _objlength){
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this.outText += tabs.replace(/(\t?).$/,'$1') + "}\n";
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}
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this.count++;
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}else{
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this.outText += obj[key];
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if(i != _objlength){
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this.outText += ",\n";
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}else{
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this.outText += "\n" + tabs.replace(/(\t?).$/,'$1') + "}\n";
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}
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this.count++;
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}
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}
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if(this.length == this.count){
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console.log(this.outText);
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}
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}
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this.format(obj,0);
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}
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function array_key_exists ( key, search ) {
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// http://kevin.vanzonneveld.net
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// + original by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
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// + improved by: Felix Geisendoerfer (http://www.debuggable.com/felix)
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// * example 1: array_key_exists('kevin', {'kevin': 'van Zonneveld'});
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// * returns 1: true
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// input sanitation
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if( !search || (search.constructor !== Array && search.constructor !== Object) ){
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return false;
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}
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return key in search;
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}
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var $foods = [
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{'name':'Apple', 'category':'fruits'},
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{'name':'Strawberry', 'category':'fruits'},
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{'name':'Tomato', 'category':'vegetables'},
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{'name':'Carot', 'category':'vegetables'},
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{'name':'water', 'category':'drink'},
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{'name':'beer', 'category':'drink'},
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];
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function array_group_by($items, $keyName, $after){
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var $groups = [''];
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for(var $item in $items){
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var $key = $item[$keyName];
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if (array_key_exists($key, $groups)) {
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$groups[$key][''] = $item;
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} else {
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$groups[$key] = [$item];
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}
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}
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eval($after + '=' + $foods + ';');
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}
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array_group_by($foods, 'category', '$foods2');
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console.hash($foods);
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console.hash($foods2);
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</script>
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```
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347
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###試したこと
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348
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+
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349
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+
課題に対してアプローチしたことを記載してください
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###補足情報(言語/FW/ツール等のバージョンなど)
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+
より詳細な情報
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