How do you get a string to a character array in Ja

Question

How do you get a string to a character array in JavaScript?

I'm thinking getting a string like "Hello world!" to the array ['H','e','l','l','o',' ','w','o','r','l','d','!']

Answer 1

> "Hello world!".split('')
["H", "e", "l", "l", "o", " ", "w", "o", "r", "l", "d", "!"]

Just split it by an empty string.

See String.prototype.split() MDN docs.

Answer 2

Since this question is originally asked more than five years ago, people are still misopetating this type of task. As hippietrail suggests, meder's answer can break surrogate pairs and misinterpret “characters.” For example:

// DO NOT USE THIS!
> '                                                                    

                                                        
            

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Answer 3

You do not need to do anything. It is already array of char.

Answer 4

You can also use Array.from.

var m = "Hello world!";
console.log(Array.from(m))

This method has been introduced in ES6.

Reference

Array.from

Answer 5

This is an old question but I came across another solution not yet listed.

You can use the Object.assign function to get the desired output:

Object.assign([], "Hello, world!")
[ 'H', 'e', 'l', 'l', 'o', ',', ' ', 'w', 'o', 'r', 'l', 'd', '!' ]

Not necessarily right or wrong, just another option.

Object.assign is described well at the MDN site.

Answer 6

Without using any function:

function key(e) {
  if (e.keyCode === 13) {
    var st = document.getElementById('txt').value;
    var char = [];
    for (var i = 0; i < st.length; i++) {
      char.push(st[i]);
    }
    document.getElementById('chr').innerHTML = char;
  }
}

<input type="text" id="txt" onkeypress="key(event)"></input>
<p>Click Enter for char array:</p>
<p id="chr"></p>