diff --git a/docx-wasm/js/index.ts b/docx-wasm/js/index.ts
index ef94df7b1..0dbcedc54 100644
--- a/docx-wasm/js/index.ts
+++ b/docx-wasm/js/index.ts
@@ -388,6 +388,15 @@ export class Docx {
       let num = wasm.createAbstractNumbering(n.id);
       n.levels.forEach((l) => {
         let level = wasm.createLevel(l.id, l.start, l.format, l.text, l.jc);
+
+        if (l.levelSuffix === "nothing") {
+          level = level.suffix(wasm.LevelSuffixType.Nothing);
+        } else if (l.levelSuffix === "space") {
+          level = level.suffix(wasm.LevelSuffixType.Space);
+        } else {
+          level = level.suffix(wasm.LevelSuffixType.Tab);
+        }
+
         if (l.paragraphProperty.indent) {
           let kind;
           if (l.paragraphProperty.indent.specialIndentKind === "firstLine") {
diff --git a/docx-wasm/js/level.ts b/docx-wasm/js/level.ts
index 321979641..0d63e383d 100644
--- a/docx-wasm/js/level.ts
+++ b/docx-wasm/js/level.ts
@@ -1,5 +1,7 @@
 import { ParagraphProperty, SpecialIndentKind } from "./paragraph";
 
+export type LevelSuffixType = "nothing" | "tab" | "space";
+
 export class Level {
   id: number;
   start: number;
@@ -7,6 +9,7 @@ export class Level {
   text: string;
   jc: string;
   paragraphProperty: ParagraphProperty = {};
+  levelSuffix: LevelSuffixType;
 
   constructor(
     id: number,
@@ -20,6 +23,7 @@ export class Level {
     this.format = format;
     this.text = text;
     this.jc = jc;
+    this.levelSuffix = "tab";
   }
 
   indent(
@@ -34,6 +38,11 @@ export class Level {
     };
     return this;
   }
+
+  suffix(s: LevelSuffixType) {
+    this.levelSuffix = s;
+    return this;
+  }
 }
 
 export class LevelOverride {
diff --git a/docx-wasm/package.json b/docx-wasm/package.json
index 54b7ede7f..19a97d5c8 100644
--- a/docx-wasm/package.json
+++ b/docx-wasm/package.json
@@ -1,6 +1,6 @@
 {
   "name": "docx-wasm",
-  "version": "0.0.75",
+  "version": "0.0.76",
   "main": "dist/node/index.js",
   "browser": "dist/web/index.js",
   "author": "bokuweb <bokuweb12@gmail.com>",
diff --git a/docx-wasm/src/level.rs b/docx-wasm/src/level.rs
index 40296973c..77072c578 100644
--- a/docx-wasm/src/level.rs
+++ b/docx-wasm/src/level.rs
@@ -36,4 +36,9 @@ impl Level {
                 .indent(Some(left), special_indent, None, None);
         self
     }
+
+    pub fn suffix(mut self, s: docx_rs::LevelSuffixType) -> Self {
+        self.0 = self.0.suffix(s);
+        self
+    }
 }