Use the substring method to split a string at the index in JavaScript. You can also create a function for it.
JavaScript split the string at index Example code
HTML example code: How do split a string at a particular index? e.g split string at index 10, making the string now equal to everything up to index 10, and then dumping the remainder.
<!DOCTYPE HTML>
<html>
<body>
<script>
var str = "Hello world, Simple example";
var sub = str.substring(0, 10);
var remainder = str.substring(10);
console.log(sub);
console.log(remainder);
</script>
</body>
</html> Output:
Split string by comma
Let’s split string by comma at the given index.
<script>
var str = "Hello world, Simple example";
function split_at_index(value, index)
{
return value.substring(0, index) + "," + value.substring(index);
}
console.log(split_at_index(str, 2));
</script> How to Split a string at every nth position in JavaScript?
Answer: Use the match method and Regular expression to split the string at every given position in JS.
In the example splitting string after every 3rd index.
<!DOCTYPE HTML>
<html>
<body>
<script>
var str = "foo faa foofaa foofaafoofaafoo faa";
console.log(str.match(/.{1,3}/g) );
</script>
</body>
</html>Output:
Do comment if you have any questions on this JS strings topic
Note: The All JS Examples codes are tested on the Firefox browser and the Chrome browser.
OS: Windows 10
Code: HTML 5 Version