mathjs/lib/utils/polyfills.js

14 lines
589 B
JavaScript

// TODO: remove these polyfills as soon as we have a build process that transpiles the code to ES5
// Polyfill for IE 11 (Number.isFinite is used in `complex.js`)
// source: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number/isFinite
Number.isFinite = Number.isFinite || function(value) {
return typeof value === 'number' && isFinite(value);
}
// Polyfill for IE 11
// source: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number/isNaN
Number.isNaN = Number.isNaN || function(value) {
return value !== value;
}