Stuck on an issue?

Lightrun Answers was designed to reduce the constant googling that comes with debugging 3rd party libraries. It collects links to all the places you might be looking at while hunting down a tough bug.

And, if you’re still stuck at the end, we’re happy to hop on a call to see how we can help out.

Clarify "falsy" values

See original GitHub issue

https://vuejs.org/v2/guide/syntax.html#Attributes

It also works for boolean attributes - the attribute will be removed if the condition evaluates to a falsy value

In fact, binding an attribute to 0 or NaN won’t result in removing the attribute. It’s not a normal case but the doc should be more precise on this IMO.

via https://github.com/vuejs/cn.vuejs.org/issues/586

Issue Analytics

State:
Created 6 years ago
Comments:6 (6 by maintainers)

Top GitHub Comments

1reaction

sdrascommented, Nov 11, 2017

Fixed!

0reactions

chrisvfritzcommented, Nov 3, 2017

I see. Thanks!

Top Results From Across the Web

Clarify "falsy" values · Issue #1250 · vuejs/v2.vuejs.org · GitHub

Clarify "falsy" values #1250 ... It also works for boolean attributes - the attribute will be removed if the condition evaluates to a...

The Semantics of Falsy Values - DEV Community ‍ ‍

In this article, I explain the semantics behind these values so that we can be better informed about their proper usage.

Falsy Values in JavaScript - freeCodeCamp

A falsy value is something which evaluates to FALSE, for instance when checking a variable. There are only six falsey values in JavaScript: ......

How Truthy and Falsy Values in JavaScript Work

Falsy values are values that evaluate to false when JavaScript “converts” them to their Boolean alternatives. First, let's take a look at values ......

What Are Truthy and Falsy in JavaScript

In JavaScript one of the primitive types is boolean. A boolean is a value that is either true or false. Additionally, every other...