Multiply two numbers. Part of Lodash Math since 4.7.0 (stable — not deprecated).
Pass the numbers or collection shown below. Check the return value before you chain another math helper.
Call _.multiply. Start with this line.
_.multiply(multiplier, multiplicand)| Call | What it does |
|---|---|
_.multiply(multiplier, multiplicand) | Primary signature. |
_.multiply(a, b) | Run the math helper on numbers or a collection. |
Prefer import multiply from "lodash/multiply" when you want a smaller bundle.
_.multiply(multiplier, multiplicand)| Parameter | Description |
|---|---|
| multiplier | Optional. First number in the multiplication |
| multiplicand | Optional. Second number in the multiplication |
| Return Value | Description |
|---|---|
| * | Product, or short-circuit / default 1 |
Multiply two numbers and get the product.
_.multiply(6, 4);
// → 246, multiplicand 4.* after numeric coercion.24 — same as the official docs._. math helpers.undefined → 1The default for multiply/divide is the multiplicative identity.
_.multiply();
// → 1
_.multiply(undefined, undefined);
// → 1createMathOperation(…, 1) sets the empty default.1 is the multiplicative identity (like 0 for add).NaN._.add() returns 0 for the same empty case.The defined value is returned without multiplying.
[
_.multiply(6, undefined),
_.multiply(undefined, 4)
];
// → [6, 4]*. Multiplication never runs in that branch.null is coerced (typically to 0) — different from omitting an arg.Unlike _.add, multiplication does not concatenate strings.
console.log(_.multiply(10, "5")); // 50
console.log(_.add(10, "5")); // "105"* coerces "5" to 5 → 50.+ concatenates when a string is present → "105"._.multiply(10, "abc") → NaN.Number / _.toNumber for clarity.multiply vs divideSame factory family; opposite operations.
[
_.multiply(6, 4),
_.divide(6, 4)
];
// → [24, 1.5]a * b.a / b.1 when both args are undefined._.multiply is a Lodash Math helper (available since 4.7.0, stable in 4.x). It runs anywhere Lodash runs — modern browsers (via CDN or bundle) and Node.js / Bun / Deno with npm install lodash. Native engines already have *; Lodash provides a function form for composition and a 1 default when both args are undefined.
Available in [email protected] full builds and the lodash/multiply modular import. Works in evergreen browsers and current Node LTS when Lodash is installed.
Bottom line: Safe for production once Lodash is on the page or in your bundle. Prefer import multiply from "lodash/multiply" for smaller builds. Equivalent to native * with Lodash’s undefined short-circuit and default 1.
Round a number to a given precision.
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