js substring() code example
Example 1: js substring
// the substring method returns a string out of another string
const str = 'Mozilla';
console.log(str.substring(1, 3));
// expected output: "oz"
console.log(str.substring(2));
// expected output: "zilla"
Example 2: javascript get first 10 characters of string
var str = "Hello world That is reallly neat!";
var res = str.substring(0, 5);//get first 5 chars
Example 3: substring javascript
var str = "Hello world!";
var res = str.substring(1, 4); //ell
Example 4: reactsj substring
var str = "Hello world!";
var res = str.substring(1, 4);
// res value is "ell"