CODE EXAMPLE FOR JAVASCRIPT

trim string

const arr = [' a ', ' b ', ' c '];

const results = arr.map(element => {
  return element.trim();
});

console.log(results); 
//result
//['a', 'b', 'c']

//trim single string
var str="		abc c a				"
str.trim()

console.log(str);
//result
//abc c a