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  1. Web
  2. Web APIs
  3. CSSNumericValue
  4. equals()

CSSNumericValue: equals() method

Limited availability

This feature is not Baseline because it does not work in some of the most widely-used browsers.

Theequals() method of theCSSNumericValue interface returns a boolean indicating whether the passedvalue are strictly equal. To return a value oftrue, all passed values mustbe of the same type and value and must be in the same order. This allows structuralequality to be tested quickly.

Syntax

js
equals(number)

Parameters

number

Either a number or aCSSNumericValue.

Return value

A boolean value.

Exceptions

None.

Examples

As stated earlier, all passed values must be of the same type and value and must be inthe same order. Some of the following examples illustrate what happens when they arenot.

js
let cssMathSum = new CSSMathSum(CSS.px(1), CSS.px(2));let matchingCssMathSum = new CSSMathSum(CSS.px(1), CSS.px(2));// Prints trueconsole.log(cssMathSum.equals(matchingCssMathSum));let otherCssMathSum = CSSMathSum(CSS.px(2), CSS.px(1));// Prints falseconsole.log(cssMathSum.equals(otherCssMathSum));// Also prints falseconsole.log(CSS.cm("1").equal(CSS.in("0.393701")));

Specifications

Specification
CSS Typed OM Level 1
# dom-cssnumericvalue-equals

Browser compatibility

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