Break a line in JavaScript can do by using a “br” tag. If you have 2 or more a string then add br enclosed between 2 brackets < > enclosed in double quotation marks, and preceded and followed by the + sign:
+"<br>"+USE JS to insert a line break into HTML?
The example of concatenated 2 strings, display in one <p> tag. To break line using a br tag.
<!DOCTYPE html>
<html>
<body>
<p id="c1"></p>
<p id="c2"></p>
<script>
// strings
var str1 = "EyeHunts";
var str2 = "Next Line"
document.getElementById("c1").innerHTML = str1 + "<br>" + str2;
</script>
</body>
</html> Output: EyeHunts
Next Line
Js break line in Alert box
In the alert box, you can use “\n”, to break the sentence into a new line.
<!DOCTYPE html>
<html>
<script type="text/javascript">
alert("Hello there.\nI am on a second line ;-)")
</script>
<body>
</body>
</html> Output:
If you want a linebreak in actual javascript, use the \n escape sequence.
Do comment if you knew another way to break the sentence in a new line using JavaScript code or you have any doubts.
Note: The All JS Examples codes are tested on Safari browser (Version 12.0.2) and Chrome.
OS: macOS 10.14 Mojave
Code: HTML 5 Version