Avoid leading or trailing decimal points in numbers

Metadata

ID: javascript-code-style/no-floating-decimal

Language: JavaScript

Severity: Notice

Category: Code Style

To prevent confusion between the dot operator and the decimal point, always use a leading number when writing floating point numbers.

var x = .5;
var x = -.5;
var x = 2.;
var x = -2.;
typeof.2
for(foo of.2);

var x = 2.5;
var x = "2.5";
var t = {
    ecmaVersion: 2018,
}

1
2
rulesets:
  - javascript-code-style     # Rules to enforce JavaScript code style.

Create a static-analysis.datadog.yml with the content above at the root of your repository
Use our free IDE Plugins or add Code Analysis scans to your CI pipelines
Get feedback on your code

For more information, please read the Code Analysis documentation

Identify code vulnerabilities directly in your
VS Code editor

Identify code vulnerabilities directly in
JetBrains products