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The ECMAScript 2015 standard introduced the "..." array operator, for the related concepts of "spread syntax" [12] and "rest parameters". [13] Object spreading was added in ECMAScript 2018. Spread syntax provides another way to destructure arrays and objects. For arrays, it indicates that the elements should be used as the parameters in a ...
Its features include exponentiation operator ** for numbers, await, async keywords for asynchronous programming (as a preparation for ES2017), and the Array.prototype.includes function. [5] The exponentiation operator is equivalent to Math.pow, but provides a simpler syntax similar to languages like Python, F#, Perl, and Ruby.
In addition to support for vectorized arithmetic and relational operations, these languages also vectorize common mathematical functions such as sine. For example, if x is an array, then y = sin (x) will result in an array y whose elements are sine of the corresponding elements of the array x. Vectorized index operations are also supported.
In C# and Java, variadic arguments are simply collected in an array. Caller can explicitly pass in an array in place of the variadic arguments. This can only be done for a variadic parameter. It is not possible to apply an array of arguments to non-variadic parameter without using reflection.
core-js [10] is one of the most popular [11] JavaScript standard library polyfills. Includes polyfills for ECMAScript up to the latest version of the standard: promises, symbols, collections, iterators, typed arrays, many other features, ECMAScript proposals, some cross-platform WHATWG / W3C features and proposals like URL. You can load only ...
As cases of the HMPV virus continue to increase in the U.S. and in China, here's what you need to know about the virus.
Ariana Grande isn't saying goodbye to touring for good — just for now.. Speaking with Variety in an interview published on Wednesday, Dec. 17, the Wicked star spoke about the possibility of ...
In modern JavaScript it's considered bad form to use the Array type as an associative array. Consensus is that the Object type and Map / WeakMap classes are best for this purpose. The reasoning behind this is that if Array is extended via prototype and Object is kept pristine, for and for-in loops will work as expected on associative 'arrays'.