check for substring javascript
const string = "javascript";
const substring = "script";
console.log(string.includes(substring)); //truecheck for substring javascript
const string = "javascript";
const substring = "script";
console.log(string.includes(substring)); //truejavascript get first 10 characters of string
var str = "Hello world That is reallly neat!";
var res = str.substring(0, 5);//get first 5 charsjs 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"substring javascript
var str = "Hello world!";
var res = str.substring(1, 4); //ellsubstring
const str = 'Mozilla';
console.log(str.substring(1, 3));
// expected output: "oz"
console.log(str.substring(2));
// expected output: "zilla"substr() javascript
const str = 'substr';
console.log(str.substr(1, 2)); // (1, 2): ub
console.log(str.substr(1)); // (1): ubstr
/* Percorrendo de trás para frente */
console.log(str.substr(-3, 2)); // (-3, 2): st
console.log(str.substr(-3)); // (-3): strCopyright © 2021 Codeinu
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