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.
In this article
Syntax
js
equals(number)Parameters
numberEither a number or a
CSSNumericValue.
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> |