fix(IE11): quash exception [dirty hack]

ref:
- cpprefjp/site#477

js/kunai/ui/badge.js

@@ -1,46 +1,50 @@
 const sanitize = (badges) => {
   let i = 0
-
-  for (let b_raw of badges) {
-    ++i
-
-    let b = $(b_raw)
-    const classes = b.attr('class').split(/\s+/).map(t => t.trim())
-    // const clean_txt = b.text().trim().replace(/\(([^)]+)\)/, '$1')
-
-    let deprecated_or_removed = false
-    let cppv = null
-    for (const c of classes) {
-      const cppm = c.match(/^cpp(\d[\da-zA-Z])(.*)$/)
-      if (!cppm) continue
-
-      b.attr('data-cpp-version', cppm[1])
-      if (cppm[1].length) {
-        cppv = cppm[1]
+  console.log("ui/badge.js:3==>", badges)
+  try{
+    for (let b_raw of badges) {
+      ++i
+
+      let b = $(b_raw)
+      const classes = b.attr('class').split(/\s+/).map(t => t.trim())
+      // const clean_txt = b.text().trim().replace(/\(([^)]+)\)/, '$1')
+
+      let deprecated_or_removed = false
+      let cppv = null
+      for (const c of classes) {
+        const cppm = c.match(/^cpp(\d[\da-zA-Z])(.*)$/)
+        if (!cppm) continue
+
+        b.attr('data-cpp-version', cppm[1])
+        if (cppm[1].length) {
+          cppv = cppm[1]
+        }
+
+        if (c.match(/deprecated$/)) {
+          deprecated_or_removed = true
+          b.addClass('deprecated-spec')
+        } else if (c.match(/removed$/)) {
+          deprecated_or_removed = true
+          b.addClass('removed-spec')
+        }
       }
 
-      if (c.match(/deprecated$/)) {
-        deprecated_or_removed = true
-        b.addClass('deprecated-spec')
-      } else if (c.match(/removed$/)) {
-        deprecated_or_removed = true
-        b.addClass('removed-spec')
+      if (!deprecated_or_removed) {
+        b.addClass('added-in-spec')
       }
-    }
 
-    if (!deprecated_or_removed) {
-      b.addClass('added-in-spec')
-    }
-
-    const lang_path = cppv ? `/lang/cpp${cppv}` : `/lang`
+      const lang_path = cppv ? `/lang/cpp${cppv}` : `/lang`
 
-    b.html(
-      $('<a>').attr('href', `${lang_path}.html`)
-        .append($('<i>'))
-        // .append($('<span>').text(clean_txt))
-    )
+      b.html(
+        $('<a>').attr('href', `${lang_path}.html`)
+          .append($('<i>'))
+          // .append($('<span>').text(clean_txt))
+      )
+    }
+  }
+  finally {
+    return i
   }
-  return i
 }
 
 export {sanitize}