js bool code example

Example 1: js is boolean

if (typeof variable === "boolean"){
  // variable is a boolean
}

Example 2: js string to boolean

// Do
var isTrueSet = (myValue == 'true');
// Or
var isTrueSet = (myValue === 'true');

Example 3: javascript true string to boolean

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