update

public/content/paper2.json

@@ -634,11 +634,8 @@
 					"lastName": "Coors"
 				}
 			],
-			"journal": {},
+			"journal": {}
             
-            "keywords": [
-				"..."
-			]
 		},
 		"links": {}
 	},

public/js/add_paper.js

-function addpaper(item){
+function addpaper(item) {
   var new_row = document.getElementById("cont_paper")
 
-    if(item === undefined) {
+  if (item === undefined) {
 
-    }else{
+  } else {
 
     var authors = "";
     for (var i = 0; i < item.item.authors.length; i++) {
       console.log(i);
-        authors += item.item.authors[i].lastName + ", " + item.item.authors[i].firstName.substring(0,1) + "., "
+      authors += item.item.authors[i].lastName + ", " + item.item.authors[i].firstName.substring(0, 1) + "., "
       //Do something
     }
     var keywords = "";
+    // check if there is keywords in item
+    if ("keywords" in item.item) {
       for (var i = 0; i < item.item.keywords.length; i++) {
         console.log(i);
-      keywords += '<span class="badge badge-pill badge-light">'+ item.item.keywords[i] +'</span>'
+        keywords += '<span class="badge badge-pill badge-light">' + item.item.keywords[i] + '</span>'
         //Do something
       }
+    }
+
     authors = authors.substring(0, authors.length - 2);
     // Prepare YouTube Link
     // var array_contains_youtube = true
@@ -27,12 +31,12 @@ function addpaper(item){
     }
     // Do Authors and Keywords
     var doi
-    if ('journal' in item.item){
+    if ('journal' in item.item) {
       doi = '<small class="text-muted"> ' + item.item.journal.name + ',' +
-       item.item.journal.volume + ', ' + item.item.journal.pages + ', '+ item.item.DOI 
+        item.item.journal.volume + ', ' + item.item.journal.pages + ', ' + item.item.DOI
     }
-    if ('conference' in item.item){
-      doi = '<small class="text-muted"> ' + item.item.conference.name + ',' + item.item.conference.date + ', '+ item.item.DOI 
+    if ('conference' in item.item) {
+      doi = '<small class="text-muted"> ' + item.item.conference.name + ',' + item.item.conference.date + ', ' + item.item.DOI
 
     }
     // Prepare Explore Link
@@ -47,11 +51,11 @@ function addpaper(item){
       '<div class="row">' +
       '<div class="col-md-3">' +
       '<img src="' + item.item.imageLink + '" alt="..." style="width:100%">' +
-      '</div>'+
+      '</div>' +
       '<div class="col-md-9">' +
       '<div class="card-body">' +
       '<h5 class="card-title" style="margin-bottom:0px">' +
-            '<small>'+ authors +'</small>' +
+      '<small>' + authors + '</small>' +
       '<br>' +
       item.item.title +
       '<br>' +
@@ -80,4 +84,3 @@ function addpaper(item){
 
   }
 }
\ No newline at end of file
-

public/js/search.js

@@ -77,10 +77,11 @@ $(document).ready(function(){
         var arrayLength = stuff_paper.length;
         for (var i = 0; i < arrayLength; i++) {
 
-            if(Math.abs(arrayLength - i) <= 2){
-                console.log("close to " + i)
+            // if(Math.abs(arrayLength - i) <= 2){
+            //     console.log("close to " + i)
+            //     addpaper(stuff_paper[i]);
+            // }
             addpaper(stuff_paper[i]);
-            }
             
             //Do something
         }