Answers for "srting replace js"

javascript replace

var res = str.replace("find", "replace");

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