Answers for "js str.replace"

javascript replace string

var str = "JavaScript replace method test";
var res = str.replace("test", "success");  
//res = Javscript replace method success

javascript replace

const p = 'dog dog cat rat';
const regex = /dog/gi;

console.log(p.replace(regex, 'cow'));
//if pattern is regular expression all matches will be replaced
//output: "cow cow cat rat"

console.log(p.replace('dog', 'cow'));
// If pattern is a string, only the first occurrence will be replaced.
//output: "cow dog cat rat"

javascript replace

var text = "Sentence with old text"
alert( text.replace("old text", "new text") ); // Sentence with new text

javascript replace

var frase = "Son tres mil trescientos treinta y tres con nueve";
frase = frase.replace("tres","dos");
console.log(frase);
//Son dos mil trescientos treinta y tres con nueve