index.md

---

title: Local tee
slug: WebAssembly/Reference/Variables/Local_tee

---

{{WebAssemblySidebar}}

The local.tee instruction sets the value of a local variable and loads the value onto the stack.

The instruction is named after the T-splitter used in plumbing.

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

Syntax

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

;; store the number 2 in the variable $val and load it on the stack
local.tee $val

Instruction	Binary opcode
local.tee	0x22