Applied the javascript refactoring to applied classify solution

4-Classification/4-Applied/solution/index.html

@@ -47,49 +47,31 @@
         <!-- import ONNXRuntime Web from CDN -->
         <script src="https://cdn.jsdelivr.net/npm/onnxruntime-web@1.9.0/dist/ort.min.js"></script>
         <script>
-            const ingredients = [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
+        const ingredients = Array(380).fill(0);
         
-            const checks = [].slice.call(document.querySelectorAll('.checkbox'));
+        const checks = [...document.querySelectorAll('.checkbox')];
         
-            // use an async context to call onnxruntime functions.
+        checks.forEach(check => {
-            function init() {
+            check.addEventListener('change', function() {
-                
+                // toggle the state of the ingredient
-                checks.forEach(function (checkbox, index) {
+                // based on the checkbox's value (1 or 0)
-                    checkbox.onchange = function () {
+                ingredients[check.value] = check.checked ? 1 : 0;
-                        if (this.checked) {
+            });
-                            var index = checkbox.value;
+        });
-
-                            if (index !== -1) {
-                                ingredients[index] = 1;
-                            }
-                            console.log(ingredients)
-                        }
-                        else {
-                            var index = checkbox.value;
-
-                            if (index !== -1) {
-                                ingredients[index] = 0;
-                            }
-                            console.log(ingredients)
-                        }
-                    }
-                })
-            }
 
         function testCheckboxes() {
-                    for (var i = 0; i < checks.length; i++)
+            // validate if at least one checkbox is checked
-                        if (checks[i].type == "checkbox")
+            return checks.some(check => check.checked);
-                            if (checks[i].checked)
-                                return true;
-                    return false;
         }
 
         async function startInference() {
 
-                let checked = testCheckboxes()
+            let atLeastOneChecked = testCheckboxes()
-
-                if (checked) {
 
+            if (!atLeastOneChecked) {
+                alert('Please select at least one ingredient.');
+                return;
+            }
             try {
                 // create a new session and load the model.
                 
@@ -99,20 +81,16 @@
                 const feeds = { float_input: input };
 
                 // feed inputs and run
-
                 const results = await session.run(feeds);
 
                 // read from results
                 alert('You can enjoy ' + results.label.data[0] + ' cuisine today!')
 
             } catch (e) {
-                    console.log(`failed to inference ONNX model: ${e}.`);
+                console.log(`failed to inference ONNX model`);
-                }
+                console.error(e);
             }
-            else alert("Please check an ingredient")
-                
         }
-    init();
                
     </script>
     </body>