N°3786 - Add pause at the end of the page unload async request to follow the guideline used in N°2763

js/forms-json-utils.js

@@ -115,10 +115,11 @@ function OnUnload(sTransactionId, sObjClass, iObjKey, sToken)
 		// IMPORTANT: the ajax request MUST BE synchronous to be executed in this context
 		$.ajax({
 			url: GetAbsoluteUrlAppRoot()+'pages/ajax.render.php',
-			async: false,
+			async: true,
 			method: 'POST',
 			data: {operation: 'on_form_cancel', transaction_id: sTransactionId, obj_class: sObjClass, obj_key: iObjKey, token: sToken }
 		});
+		CombodoGlobalToolbox.Pause(1000);
 	}
 }
 

js/utils.js

@@ -725,6 +725,23 @@ const CombodoGlobalToolbox = {
 		sOutput = sOutput.replace(/<script/g, '&lt;script WARNING: scripts are not allowed in tooltips');
 
 		return sOutput;
+	},
+	/**
+	 * Pause the JS activity for iDuration milliseconds
+	 *
+	 * @see N°2763 for the original code idea
+	 * @return {void}
+	 * @param iDuration {integer} Duration in milliseconds
+	 * @constructor
+	 */
+	Pause: function (iDuration) {
+		const oDate = new Date();
+		let oCurrentDate = null;
+
+		do {
+			oCurrentDate = new Date();
+		}
+		while ((oCurrentDate - oDate) < iDuration);
 	}
 };