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Question #4 Write a JavaScript function HideMe() that takes a user specified sentence and hides a certain words by replacing
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Answer #1

<!DOCTYPE html>
<html>
<head>
<style>
#demo {
background-color: LimeGreen;
color: black;
}
</style>
</head>
<body>

<button onclick="HideMe('The deadline is August 4th')">Try it</button>

<p id="demo"></p>

<script>
//javascript function
function HideMe(sentence) {
  
var flag = true;
//if soen287 is NOT found, -1 is returned.
if (sentence.toLowerCase().indexOf('soen287') !=-1)
{
//replacing soen287 with XXXXXXX
sentence = sentence.replace("soen287", "XXXXXXX");
flag = false;
}
//if summer is NOT found, -1 is returned.
if(sentence.toLowerCase().indexOf('summer') !=-1)
{
sentence = sentence.replace("summer", "XXXXX");
flag = false;
}
//if 19 is NOT found, -1 is returned.
if(sentence.toLowerCase().indexOf('19') !=-1)
{
sentence = sentence.replace("19", "XX");
flag = false;
}

var y = new Boolean(true);
if(flag == y)
{
document.getElementById("demo").innerHTML =sentence;
}else
{
document.write(sentence)
}


}
</script>

</body>
</html>

Output:

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