How to use JavaScript String replace()

String replace() method

Program to use JavaScript String replace() method

let a = 'My Car is Blue';
    
    console.log("data =", a);
    
    let b = a.replace('Blue', 'Red');
    
    console.log("replace data =",b);
    

Output

data = My Car is Blue
    replace data = My Car is Red
    

Steps Description

• Declare two variable a and b
• Initialize two variable with value of string a = ‘My Car is Blue’ and b = a.replace(‘Blue’, ‘Red’)
• replace() method if a word or character is found in the string after searching, then it works to replace that word or character with another word or character.
• The value of a variables and b variables is displayed with the help of console.log inbuilt function

String replace() method

Program to use JavaScript String replace() method

let c = 'My favorite Color Green laptop Color Green bag Color Green';
    
    console.log("data =", c);
    
    let d = c.replace(/Green/g, "Yellow");
    
    console.log("replace data =",d);
    

Output

data = My favorite Color Green laptop Color Green bag Color Green
    replace data = My favorite Color Yellow laptop Color Yellow bag Color Yellow
    

Steps Description

• Declare two variable c and d
• Initialize two variable with value of string c = ‘My favorite Color Green laptop Color Green bag Color Green’ and d = c.replace(/Green/g, “Yellow”)
• replace() method if a word or character is found in the string after searching, then it works to replace that word or character with another word or character.
• The value of c variables and d variables is displayed with the help of console.log inbuilt function