Answers for "if value is empty including whitespace js"

javascript check if blank space

function isEmptyOrSpaces(str){
    return str === null || str.match(/^ *$/) !== null;
}

find whitespace in string js

var containsWhitespace = function(str){
	return /\s/g.test(s);
};
console.log(containsSpaces("foo bar"));//Returns true
console.log(containsSpaces("foobar"));//Returns false