var result = "I am a dog";
var searchterm = "a";
How do I insert "(" before every "a" and ")" after every "a" so the new result is
newresult = "I (a)m (a) dog"
You can use replaceAll method.
var result = "I am a dog";
var searchterm = "a";
const output = result.replaceAll(searchterm, `(${searchterm})`);
console.log(output);