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ajaxでリトライ処理

Last updated at Posted at 2018-02-23

ajaxでリトライ処理
done、failでの方法が見つからなかったので自分なりにかいてみました。
jQuery等の読み込み部分は省略します。
下記の実装だと、最初の通信を含め計4回通信を行って、
タイムアウト時間は1秒、2秒、4秒、8秒になっています。

retry.js

var time = 1000;
var request_cnt = 0;
const request = function(){
	$.ajax({
		url: 'htt://xxx.php',
		type: 'get',
		timeout: time,
		data: {
			//data
		}
	}).done(function (response){
		// 成功時の処理
	}).fail(function (jqXHR, textStatus){
		// リトライ処理
		if(textStatus === 'timeout' && request_cnt < 3){
			time = time*2;
			request_cnt++;
			return request();
		}
	});
}
request();

ajaxを触ったのはこれが初めてなので、もっといい方法がありましたら、ご教授いただけると幸いです。

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