Answer to Question #169154 in Java | JSP | JSF for Chandra sena reddy

Question

String Starts or Ends with given String

Given an array

stringsArray of strings, and startString, endString as inputs, write a JS program to filter the strings in stringsArray starting with startString or ending with endString.

Quick Tip

You can use the array method filter() and logical operator OR ( || ).

Input

• The first line of input contains a string stringsArray
• The second line of input contains a string startString
• The third line of input contains a number endString

Output

• The output should be a single line containing an array of filtered strings

Sample Input 1

['teacher', 'friend', 'cricket', 'farmer', 'rose', 'talent', 'trainer']

t

r

Sample Output 1

[ 'teacher', 'farmer', 'talent', 'trainer' ]

Sample Input 2

['dream', 'player', 'read', 'write', 'trend']

p

d

Sample Output 2

[ 'player', 'read', 'trend' ]

Answer 1

var arr = ['dream', 'player', 'read', 'write', 'trend'];
var begin = 'p';
var end = 'd';
var filtered = arr.filter(function (e) {
  return e.charAt(0)===begin||e.charAt(e.length-1)===end;
});
console.log(filtered);