JavaScript Program to Remove All Whitespaces From a Text

To understand this example, you should have the knowledge of the following JavaScript programming topics:


Example 1: Using split() and join()

// program to trim a string

const string = '      Hello World       ';

const result = string.split(' ').join('');

console.log(result);

Output

HelloWorld

In the above program,

  • The split(' ') method is used to split the strings into individual array elements.
    ["", "", "", "", "", "", "Hello", "World", "", "", "", "", "", "", ""]
  • The join('') method merges the array into a string.

Example 2: Using Regular Expression

// program to trim a string

function trimString(x) {

    const result = x.replace(/\s/g,'');
    return result

}

const result = trimString('    Hello World    ');
console.log(result);

Output

HelloWorld

In the above program, the Regular Expression is used with the replace() method to remove all whitespaces from a text.

/\s/g checks for whitespace in the string.


Also Read:

Did you find this article helpful?

Your builder path starts here. Builders don't just know how to code, they create solutions that matter.

Escape tutorial hell and ship real projects.

Try Programiz PRO
  • Real-World Projects
  • On-Demand Learning
  • AI Mentor
  • Builder Community