Simon Willison’s Weblog

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5 items tagged “ecmascript”

2023

download-esm: a tool for downloading ECMAScript modules

Visit download-esm: a tool for downloading ECMAScript modules

I’ve built a new CLI tool, download-esm, which takes the name of an npm package and will attempt to download the ECMAScript module version of that package, plus all of its dependencies, directly from the jsDelivr CDN—and then rewrite all of the import statements to point to those local copies.

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2008

ECMAScript Harmony. John Resig explains the outcome of the recent “Oslo meeting” where proponents of ECMAScript 3.1 (incremental improvements to JS as it exists today) and 4 (massive, sweeping changes including many new programming constructs) harmonised their differences. The combined effort is closer to 3.1 than it is to 4, which I think is the right decision.

# 14th August 2008, 9:37 am / john-resig, ecmascript, oslomeeting, javascript, harmony

2007

The Story Behind ES4. If you’re scratching your head at the recent eruption of acrimony surrounding ECMAScript 4 (the next standardised version of JavaScript) Neil Mix has a relatively easy to follow catch-up post.

# 2nd November 2007, 6:15 am / neilmix, ecmascript, standards, es4, javascript

J4P5: Javascript For PHP 5 (via) “J4P5 is a JavaScript interpreter written in PHP 5, that allows to run untrusted scripts in a sandbox on your server. It aims to implement most of Ecma-262 3rd edition.”

# 12th July 2007, 10:24 pm / ecmascript, php, php5, javascript, j4p5

ECMAScript 4 Reference Implementation. Including discussion of the benefits of writing it in Standard ML.

# 10th June 2007, 12:49 pm / standardml, ecmascript