OpenLayers JavaScript????

String?Number?Function

String??

startsWith?contains?trim?camelize

//???????????????

startsWith: function(str, sub) { return (str.indexOf(sub) == 0); }

//??????????????

contains: function(str, sub) { return (str.indexOf(sub) != -1); }

//?????????

trim: function(str) { return str.replace(/^\s*(.*?)\s*$/, "$1"); }

CamelCase???

camelize: function(str) { var oStringList = str.split('-'); var camelizedString = oStringList[0]; for (var i = 1; i < oStringList.length; i++) { camelizedString += s.charAt(0).toUpperCase() + s.substring(1); } return camelizedString; }

Number??

limitSigDigs

limitSigDigs: function(num, sig) { var fig; if(sig > 0) { fig = parseFloat(num.toPrecision(sig)); } else { fig = 0; } return fig; }

Function??

bind?bindAsEventListener

bind: function(func, object) { var args = Array.prototype.slice.apply(arguments, [2]); return function() { var newArgs = args.concat(Array.prototype.slice.apply(arguments, [0])); return func.apply(object, newArgs); }; }

bindAsEventListener: function(func, object) { return function(event) { return func.call(object, event || window.event); }; }