index.md

---

title: Local set
slug: WebAssembly/Reference/Variables/Local_set

---

{{WebAssemblySidebar}}

The local.set instruction sets the values of a local variable.

{{EmbedInteractiveExample("pages/wat/local.html", "tabbed-taller")}}

Syntax

;; load the number 2 onto the stack
i32.const 2

;; store the number 2 in the variable $val
local.set $val

Instruction	Binary opcode
local.set	0x21