Get First Character of String with JavaScript

In this tutorial we will learn How To Get First Character of String with JavaScript. JavaScript charAt() method or slice() method both can be used to get the first character of string in JavaScript.

HTML Code

HTML Code is given below, in this code we have used input tag to get a string from user while a Button tag is used to execute a JavaScript function which will get the First character of that string.

<input id='string' type="text" placeholder="String:">
<br><br>       
<button onclick="getFirstCharacter()">Get First Character</button>  

JavaScript Code

Take a look at the JavaScript code, in first example we have used JavaScript charAt() method and in second example we have used JavaScript slice() method.

JavaScript charAt() method

JavaScript charAt() method returns a specific character from the fixed index position.

<script>
function getFirstCharacter()
{
    const string = document.getElementById('string').value;
    const stringLength = string.length;
    const FirstCharacter =  string.charAt(0);
    alert(FirstCharacter);
}
</script>

JavaScript slice() method

JavaScript slice() method returns a part of string.

<script>
function getFirstCharacter()
{
    const string = document.getElementById('string').value;
    const FirstCharacter =  string.slice(0,1);
    alert(FirstCharacter);
}
</script>

In above example, 0 is the start position of the string while 1 is the end position which means only one character will be returned.

Demo

Video Tutorial

Watch video tutorial on Get First Character of String in JavaScript.

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