CSSNumericArray: keys() method
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The keys() method of the CSSNumericArray interface returns a new array iterator that yields the index of each item in the object.
Syntax
js
keys()
Parameters
None.
Return value
A new iterable iterator.
Examples
Iterating over indexes
js
const sum = new CSSMathSum(CSS.px(10), CSS.em(5), CSS.percent(50));
for (const index of sum.values.keys()) {
console.log(index);
}
// 0
// 1
// 2
Specifications
| Specification |
|---|
| CSS Typed OM Level 1 # cssnumericarray |