longest-substring-without-repeating-characters solution

Author: jdy8739

longest-substring-without-repeating-characters/jdy8739.js

@@ -0,0 +1,36 @@
+/**
+ * @param {string} s
+ * @return {number}
+ */
+var lengthOfLongestSubstring = function(s) {
+    let start = 0;
+    let end = 0;
+
+    const set = new Set();
+
+    let max = 0;
+
+    while (end < s.length) {
+        const char = s[end];
+
+        if (set.has(char)) {
+            set.delete(s[start]);
+
+            start++;
+        } else {
+            set.add(char);
+
+            end++;
+        }
+
+        max = Math.max(max, set.size);
+    }
+
+    return max;
+};
+
+//
+//
+
+
+