The replace() method in JavaScript is only replace first occurrence of a substring.
The replace() method accept two parameters.
Example :
const str = "I have Red Car and Red Bike";
const res = str.replace("Red","Blue");
console.log(res); // I have Blue Car and Red Bike.
To Perform a global search to replace all occurrences from a string you can use regular expression with global modifier :
const str = "I have Red Car and Red Bike";
const res = str.replace(/red/gi,'Blue');
console.log(res); // I have a Blue Car and Blue Bike.
Here g means it searches globally in string, and it means it ignoring cases of substring.
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