Question

How to get the first line of a multi-line string in JavaScript

Answer 1

const multiLineString = 
        "First line\n" +
        "Second line\n" +
        "Third line\n" +
        "Fourth line";
         
const firstLine = multiLineString.substring(0, multiLineString.indexOf("\n"));
         
console.log("The first line is: " + firstLine);

 
 
  
/*
run
 
The first line is: First line
  
*/

 

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