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JavaScript String Methods

Try to replace "Microsoft" with "W3Schools" in the paragraph below:

Try it

Please visit Microsoft!

<button onclick="myFunction()">Try it</button>

function myFunction() {
  let text = document.getElementById("demo").innerHTML; 
  document.getElementById("demo").innerHTML =
  text.replace("MICROSOFT","W3Schools");
}

The replace() method is case sensitive. MICROSOFT (with upper-case) will not be replaced.