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Convert the first letter of each object key to lowercase.
To use in Observable,
uncapitalizeKeys = require( 'https://cdn.jsdelivr.net/gh/stdlib-js/utils-uncapitalize-keys@umd/browser.js' )To vendor stdlib functionality and avoid installing dependency trees for Node.js, you can use the UMD server build:
var uncapitalizeKeys = require( 'path/to/vendor/umd/utils-uncapitalize-keys/index.js' )To include the bundle in a webpage,
<script type="text/javascript" src="https://cdn.jsdelivr.net/gh/stdlib-js/utils-uncapitalize-keys@umd/browser.js"></script>If no recognized module system is present, access bundle contents via the global scope:
<script type="text/javascript">
(function () {
window.uncapitalizeKeys;
})();
</script>Converts the first letter of each object key to lowercase, mapping the transformed keys to a new object having the same values.
var obj1 = {
'BeepBoop': 1,
'FooBar': 2
};
var obj2 = uncapitalizeKeys( obj1 );
// returns { 'beepBoop': 1, 'fooBar': 2 }- The function only transforms own properties. Hence, the function does not transform inherited properties.
- The function shallow copies key values.
<!DOCTYPE html>
<html lang="en">
<body>
<script type="text/javascript" src="https://cdn.jsdelivr.net/gh/stdlib-js/utils-uncapitalize-keys@umd/browser.js"></script>
<script type="text/javascript">
(function () {
var obj1 = {
'AA': 'beep',
'BB': 'boop',
'CC': 'foo',
'DD': 'bar'
};
var obj2 = uncapitalizeKeys( obj1 );
console.dir( obj2 );
// => { 'aA': 'beep', 'bB': 'boop', 'cC': 'foo', 'dD': 'bar' }
})();
</script>
</body>
</html>@stdlib/utils-capitalize-keys: convert the first letter of each object key to uppercase.@stdlib/utils-lowercase-keys: convert each object key to lowercase.
This package is part of stdlib, a standard library for JavaScript and Node.js, with an emphasis on numerical and scientific computing. The library provides a collection of robust, high performance libraries for mathematics, statistics, streams, utilities, and more.
For more information on the project, filing bug reports and feature requests, and guidance on how to develop stdlib, see the main project repository.
See LICENSE.
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