underscore.js

utility

underscore.js is a utility library for functional programming in JavaScript. It provides a range of useful helper functions that make it easier and more efficient to manipulate arrays, objects, and other data types.

Latest Ver 1.13.7

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Github

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📢 underscore.js is a functional programming support library for data manipulation, such as arrays and objects.

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License: MIT

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https://cdnjs.cloudflare.com/ajax/libs/underscore.js/1.13.7/underscore-esm-min.js

https://cdnjs.cloudflare.com/ajax/libs/underscore.js/1.13.7/underscore-esm-min.min.js

https://cdnjs.cloudflare.com/ajax/libs/underscore.js/1.13.7/underscore-esm.js

https://cdnjs.cloudflare.com/ajax/libs/underscore.js/1.13.7/underscore-esm.min.js

https://cdnjs.cloudflare.com/ajax/libs/underscore.js/1.13.7/underscore-min.js

https://cdnjs.cloudflare.com/ajax/libs/underscore.js/1.13.7/underscore-min.min.js

https://cdnjs.cloudflare.com/ajax/libs/underscore.js/1.13.7/underscore-umd-min.js

https://cdnjs.cloudflare.com/ajax/libs/underscore.js/1.13.7/underscore-umd-min.min.js

https://cdnjs.cloudflare.com/ajax/libs/underscore.js/1.13.7/underscore-umd.js

https://cdnjs.cloudflare.com/ajax/libs/underscore.js/1.13.7/underscore-umd.min.js

https://cdnjs.cloudflare.com/ajax/libs/underscore.js/1.13.7/underscore.js

https://cdnjs.cloudflare.com/ajax/libs/underscore.js/1.13.7/underscore.min.js

https://cdnjs.cloudflare.com/ajax/libs/underscore.js/1.13.7/underscore-esm-min.js.map

https://cdnjs.cloudflare.com/ajax/libs/underscore.js/1.13.7/underscore-esm.js.map

https://cdnjs.cloudflare.com/ajax/libs/underscore.js/1.13.7/underscore-min.js.map

https://cdnjs.cloudflare.com/ajax/libs/underscore.js/1.13.7/underscore-node-f.cjs.map

https://cdnjs.cloudflare.com/ajax/libs/underscore.js/1.13.7/underscore-node.cjs.map

https://cdnjs.cloudflare.com/ajax/libs/underscore.js/1.13.7/underscore-node.mjs

https://cdnjs.cloudflare.com/ajax/libs/underscore.js/1.13.7/underscore-node.mjs.map

https://cdnjs.cloudflare.com/ajax/libs/underscore.js/1.13.7/underscore-umd-min.js.map

https://cdnjs.cloudflare.com/ajax/libs/underscore.js/1.13.7/underscore-umd.js.map

Sample Code

⚠️ Some code, including import statements, may not run properly on jsFiddle. If it fails to execute, please copy the code and try it in your own environment.

📄 HTML
<div id='example'>
  <p>Hello</p>
</div>

🧩 External JS
<script src="https://cdnjs.cloudflare.com/ajax/libs/underscore.js/1.13.1/underscore-min.js"></script>

⚙️ JavaScript
var numbers = [1, 2, 3, 4, 5];
var doubled = _.map(numbers, function(num) { return num * 2; });
document.getElementById('example').innerHTML += '<p>Doubled: ' + doubled.join(', ') + '</p>';