JAVASCRIPT convert string to boolean javascript - Net-Raft.com

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convert string to boolean javascript


 231

JAVASCRIPT


2

var str = "true";
var mybool = JSON.parse(str);

var parseBool = function(str)
{
// console.log(typeof str);
// strict: JSON.parse(str)

if(str == null)
return false;

if (typeof str === 'boolean')
{
return (str === true);
}

if(typeof str === 'string')
{
if(str == "")
return false;

str = str.replace(/^\s+|\s+$/g, '');
if(str.toLowerCase() == 'true' || str.toLowerCase() == 'yes')
return true;

str = str.replace(/,/g, '.');
str = str.replace(/^\s*\-\s*/g, '-');
}

// var isNum = string.match(/^[0-9]+$/) != null;
// var isNum = /^\d+$/.test(str);
if(!isNaN(str))
return (parseFloat(str) != 0);

return false;
}


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