ECMAScript-5 | : ECMAScript 5 implementation | Script Programming library
kandi X-RAY | ECMAScript-5 Summary
kandi X-RAY | ECMAScript-5 Summary
Implementation of ECMAScript 5.
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Currently covering the most popular Java, JavaScript and Python libraries. See a Sample of ECMAScript-5
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QUESTION
When I try to compile the below TypeScript using "tsc file.ts," I get the following error (twice):
error TS1056: Accessors are only available when targeting ECMAScript 5 and higher.
According to this article on StackOverflow - Accessors are only available when targeting ECMAScript 5 and higher -- I should be able to specify a "tsconfig.json" file, which I've done:
...ANSWER
Answered 2021-Feb-20 at 12:19The issue is that tsconfig.json
isn't considered when you manually specify your source files on the command line.
If you run tsc
with no arguments then the tsconfig.json
will be picked up automatically.
For more information check this issue on GitHub
QUESTION
In ES5, the naive way (yes, I know about the length
issues) to subclass an array was as follows:
ANSWER
Answered 2020-Mar-25 at 11:27Calling [].push.apply(this, arguments)
is equivalent to calling this.push(...arguments)
. So while it might look like you're pushing the arguments onto an empty array, you're actually pushing them onto "your self" since you "extend" the array prototype MyArray.prototype = Object.create(Array.prototype)
and therefor implements the "push" function.
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