to boolean javascript code example

Example 1: string to boolean javascript

let toBool = string => string === 'true' ? true : false;
// Not everyone gets ES6 so here for the beginners
function toBool(string){
	if(string === 'true'){
      return true;
    } else {
      return false;
    }
}

Example 2: string to boolean js

// Everyone does one extra check. Here is a better answer

let toBool = string => string === 'true'; // ? true : false;
// Not everyone gets ES6 so here for the beginners
function toBool(string){
	return string === 'true';
}

Example 3: change true to false js

var thing = true; //try changing this to false
thing = !thing; //the variable will go from true to false, or from false to true

Example 4: convert string true to boolean true javascript

stringToBoolean: function(string){
    switch(string.toLowerCase().trim()){
        case "true": case "yes": case "1": return true;
        case "false": case "no": case "0": case null: return false;
        default: return Boolean(string);
    }
}

Example 5: javascript function return boolean

function  func(){
  return true;
}

isBool = func();
console.log(typeof (isBool));   // output - string


let isBool = func();
console.log(typeof (isBool));   // output - boolean

Example 6: javascript true string to boolean

var isHidden='true';
var isHiddenBool = (isHidden == 'true');