Here you can find the source of toNumber()
String.prototype.toNumber = function() { return parseInt(this); }; var ten = "10"; var fifty = "50"; console.log(ten.toNumber()); //10 console.log(fifty.toNumber()); //50
String.prototype.toNum = function() { if (this.length === 0) return 0; return parseInt(this);
String.prototype.toNumber = function() { return parseFloat(this); };
String.prototype.toNumber = function(){ return +this; };
String.prototype.toNumber = function(){ if(this.match(/\./)){ return parseFloat(this, 10); } else { return parseInt(this, 10); };
String.prototype.toNumber = function(){ var str = this.gsub(",", "."); if (str.length == 0) return 0; var parts = str.split("."); if (parts.length > 1){ var res = ''; for(var i=0; i<parts.length-1; i++){ res = res + parts[i]; ...