Answers for "javascript extract from string"

14

how to get the first character of a string in javascript

let str = 'John Wick'
let firstChar = str.charAt(0) 
console.log(firstChar); // "J"
Posted by: Guest on November-16-2020
31

substring javascript

var str = "Hello world!";
var res = str.substring(1, 4); //ell
Posted by: Guest on December-25-2019
0

str.substring if 2 letters

public String firstTwo(String str) {
    return str.length() < 2 ? str : str.substring(0, 2);
}
Posted by: Guest on September-19-2020

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