function removeNewLines(str) {
return str.replace(/(\r\n|\n|\r)/gm, " ").replace(/\s+/g, " ").trim();
}
let str = 'javascript\n c++ \n c \n typescript \r node.js\n';
str = removeNewLines(str);
console.log(str); // result without extra spaces
/*
run:
javascript c++ c typescript node.js
*/