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Convert the first letter of each object key to uppercase.
import capitalizeKeys from 'https://cdn.jsdelivr.net/gh/stdlib-js/utils-capitalize-keys@esm/index.mjs';Converts the first letter of each object key to uppercase, mapping the transformed keys to a new object having the same values.
var obj1 = {
'beepBoop': 1,
'fooBar': 2
};
var obj2 = capitalizeKeys( 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="module">
import capitalizeKeys from 'https://cdn.jsdelivr.net/gh/stdlib-js/utils-capitalize-keys@esm/index.mjs';
var obj1 = {
'aa': 'beep',
'bb': 'boop',
'cc': 'foo',
'dd': 'bar'
};
var obj2 = capitalizeKeys( obj1 );
console.dir( obj2 );
// => { 'Aa': 'beep', 'Bb': 'boop', 'Cc': 'foo', 'Dd': 'bar' }
</script>
</body>
</html>@stdlib/utils-uncapitalize-keys: convert the first letter of each object key to lowercase.@stdlib/utils-uppercase-keys: convert each object key to uppercase.
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