Answers for "how to check if a string is space in javascript"

javascript detect space in string

if(str.indexOf(' ') >= 0){
    console.log("contains spaces");
}

find space 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