convert string with spaces into string with no spaces and camelCase javascript - Stack Overflow

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Is there a way I can turn this string

let string = 'I have some spaces in it'; 

into

string = 'iHaveSomeSpacesInIt';

I know I can use

string.split(' ').join('');

to take all the spaces out of the string but how can I transform the first uppercase letter to lowercase and then camelCase at all the spaces that have been removed??

Any help would be appreciated!

Thanks

Is there a way I can turn this string

let string = 'I have some spaces in it'; 

into

string = 'iHaveSomeSpacesInIt';

I know I can use

string.split(' ').join('');

to take all the spaces out of the string but how can I transform the first uppercase letter to lowercase and then camelCase at all the spaces that have been removed??

Any help would be appreciated!

Thanks

• javascript

Share Improve this question Follow asked May 4, 2018 at 6:31 Smokey DawsonSmokey Dawson 9,2402222 gold badges8585 silver badges162162 bronze badges 1

• 1 split the string-make it as an array-capitalise first character of each array's value-join together to make a camel context string. – Krishna Prashatt Commented May 4, 2018 at 6:34

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3 Answers 3

Sorted by: Reset to default 7

Maybe regex can help you lot more faster and produce a more clear code.

var regex = /\s+(\w)?/gi;
var input = 'I have some spaces in it';

var output = input.toLowerCase().replace(regex, function(match, letter) {
    return letter.toUpperCase();
});

console.log(output);

Sure, just map each word (except the first) and capitalize the first letter:

const input = 'I have some spaces in it'; 
const output = input
  .split(' ')
  .map((word, i) => {
    if (i === 0) return word.toLowerCase();
    return word.charAt(0).toUpperCase() + word.slice(1).toLowerCase();
  })
  .join('');
console.log(output);

Use a specialized library like Lodash for this type of requirement instead of writing a custom logic:

let string = 'I have some spaces in it';
let finalString = _.camelCase(string);

console.log(finalString);

<script src="https://cdnjs.cloudflare./ajax/libs/lodash.js/4.17.10/lodash.min.js"></script>

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