To get a part of a string, string.substring() method is used in javascript. Using this method we can get any part of a string that is before or after a particular character.
This method slices a string from a given start index(including) to end index(excluding). If only one index is provided then the method slice the entire string from the start of the index.
Using this line of code we can get a part of a string after a particular character.
string.substring(string.indexOf(character) + 1);
Using this line of code we can get a part of a string before a particular character.
string.substring(0, string.indexOf(character));
<html>
<body>
<script>
function subStr(string, character, position) {
if(position=='b')
return string.substring(string.indexOf(character) + 1);
else if(position=='a')
return string.substring(0, string.indexOf(character));
else
return string;
}
document.write(subStr('Tutorix & Tutorialspoint','&','a'));
document.write("</br>");
document.write(subStr('Tutorix:a best e-learning platform', ':','b'));
</script>
</body>
</html>Tutorix a best e-learning platform
