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This is a playground to test code. It runs a full Node.js environment and already has all of npm’s 1,000,000+ packages pre-installed, including document-has with all npm packages installed. Try it out:

var documentHas = require("document-has")

all documents on RunKit are public
require() any package directly from npm
use arrow functions, classes, template strings, and most of ES6
await any promise instead of using callbacks (example)
create your own embedded node.js snippets

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document-has v1.0.0

document has is a module that is meant to run in the browser. The purpose of the module is to create an array of dom elements that you want to require in your document. Then add the array to the document-has function and it will create a test button on the top right corner of your web page. Which provides some basic feedback to learners as they perform exercises learning to code.

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