array.prototype.unshift

ES spec-compliant `Array.prototype.unshift` shim/polyfill/replacement that works as far down as ES3.

v1.0.4 URL: https://unpkg.com/array.prototype.unshift@1.0.4/index.js

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javascript ecmascript polyfill shim array unshift Array.prototype.unshift ES5 es-shim API