Lodash _.bindAll() Method

Beginner
5 min read
Updated: Nov 2026
5 examples
Util
Decorative image with the word BINDALL

Definition

Binds methods of an object to the object itself, overwriting the existing methods. Part of Lodash Util since 0.1.0 (stable — not deprecated).

Note: Does not set the length property of bound functions. It mutates the object and returns it.

Syntax

Call _.bindAll. Start with this line.

Lodash
_.bindAll(object, methodNames)
CallWhat it does
_.bindAll(object, methodNames)Primary signature.
_.bindAll(...)Call the util helper.

Prefer import bindAll from "lodash/bindAll" when you want a smaller bundle.

Library declarations
Lodash
_.bindAll(object, methodNames)

Parameters

ParameterDescription
objectRequired. Object whose methods are bound
methodNamesRequired. Names to bind (array and/or rest args)

Return Value

Return ValueDescription
*The same object (methods overwritten)

Lodash Examples

Example 1 — Official: Bind click

Bind one method so a detached callback still sees this.label.

Lodash
var view = {
  label: 'docs',
  click: function () {
    return 'clicked ' + this.label;
  }
};

_.bindAll(view, ['click']);

var handler = view.click;
console.log(handler());
// → "clicked docs"
Try It Yourself

How It Works

  1. Object. click reads this.label.
  2. Bind. _.bindAll(view, ['click']) replaces view.click.
  3. Detach. handler = view.click loses the object as receiver.
  4. Still works. Bound this stays view → "clicked docs".

Example 2 — Without bindAll

Same object, but the detached call loses this.

Lodash
var view = {
  label: 'docs',
  click: function () {
    return 'clicked ' + this.label;
  }
};

var handler = view.click;
console.log(handler());
// → "clicked undefined"  (strict: may throw)
Try It Yourself

How It Works

  1. Extract. handler is just a bare function.
  2. Call. handler() has no object receiver.
  3. this. In sloppy mode this.label is undefined.
  4. Fix. Use _.bindAll (or _.bind / arrows) before detaching.

Example 3 — Bind Multiple Methods

Pass an array of names when several handlers need binding.

Lodash
var view = {
  label: 'docs',
  click: function () { return 'click:' + this.label; },
  render: function () { return 'render:' + this.label; }
};

_.bindAll(view, ['click', 'render']);

console.log(view.click());
console.log(view.render());
// → "click:docs"
// → "render:docs"
Try It Yourself

How It Works

  1. List names. ['click', 'render'] selects both methods.
  2. Overwrite. Each is replaced with a bound version.
  3. Call. Both read this.label correctly.
  4. Use. Handy for a small set of event handlers on one object.

Example 4 — Variadic Method Names

Same result with separate string arguments.

Lodash
var view = {
  label: 'docs',
  click: function () { return 'clicked ' + this.label; }
};

_.bindAll(view, 'click');

var handler = view.click;
console.log(handler());
// → "clicked docs"
Try It Yourself

How It Works

  1. Rest args. 'click' is a method name.
  2. Same as array. Equivalent to ['click'].
  3. Result. Detached handler() still works.
  4. Pick a style. Use whichever reads clearer in your code.

Example 5 — bindAll vs _.bind

bindAll assigns back; _.bind returns a new function.

Lodash
var view = {
  label: 'docs',
  click: function () { return 'clicked ' + this.label; }
};

var withBind = _.bind(view.click, view);
console.log(withBind());           // "clicked docs"
console.log(view.click === withBind); // false

_.bindAll(view, 'click');
console.log(view.click());         // "clicked docs"
Try It Yourself

How It Works

  1. _.bind. Creates a new function; view.click is unchanged until you assign it.
  2. Compare. view.click === withBind is false.
  3. bindAll. Overwrites view.click in place.
  4. Choose. One-off callback → _.bind; several object methods → _.bindAll.
Compatibility

Browser & Runtime Support

_.bindAll is a Lodash Util helper since 0.1.0. It runs anywhere Lodash runs — modern browsers (CDN or bundle) and Node.js / Bun / Deno with npm install lodash.

✓ Stable · Lodash 0.1.0+

_.bindAll()

Available in [email protected] full builds and the lodash/bindAll modular import. Works in evergreen browsers and current Node LTS when Lodash is installed.

100% With Lodash 0.1+
Google Chrome Supported · Desktop & Mobile
Full support
Mozilla Firefox Supported · Desktop & Mobile
Full support
Apple Safari Supported · macOS & iOS
Full support
Microsoft Edge Supported · Chromium
Full support
Internet Explorer No native support · Use a polyfill
Polyfill
Opera Supported · Modern versions
Full support
Samsung Internet Supported · Android
Full support
Bun Supported · JavaScript runtime
Supported
Deno Supported · JavaScript runtime
Supported
Node.js Supported · Server runtime
Supported
Android WebView Supported · Modern WebView
Full support
_.bindAll Lodash 0.1.0+

Bottom line: Safe for production once Lodash is loaded. Prefer import bindAll from "lodash/bindAll" for smaller bundles. Use it when several object methods are passed as callbacks and must keep this.

Frequently Asked Questions

_.bindAll(object, …methodNames) overwrites the named methods on object with versions bound to that object, then returns object. Official use: bind view.click so a detached handler still reads this.label.
Yes. It replaces the listed method properties in place. The same object reference is returned.
As an array (_.bindAll(obj, ['click'])) or as separate strings (_.bindAll(obj, 'click', 'render')). Both forms work in Lodash 4.
_.bind(fn, thisArg) returns one new function and does not assign it. _.bindAll binds many methods and writes them back onto the object.
In JavaScript, this depends on how a function is called. Passing obj.method as a callback calls it without obj as the receiver unless it was bound first.
Use import bindAll from "lodash/bindAll" or require("lodash/bindAll"). Full build: import _ from "lodash" then _.bindAll.

Next: _.cond()

Build if/else-style logic from predicate and function pairs.

_.cond() tutorial →

About the author

Mari Selvan M P
Mari Selvan M P 🔗

Developer, cloud engineer, and technical writer

  • Experience 12 years building web and cloud systems
  • Focus Full Stack Development, AWS, and Developer Education

I write practical tutorials so students and working developers can learn by doing—from databases and APIs to deployment on AWS.

AWS Certified Developer – Associate (Credly)

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