jsbase/function.call3.html at master · xiongchenf/jsbase · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>Document</title>
</head>
<body>
	<script>
		function call2(ctx) {
			var context = ctx || window;
			var arr = [];
			context.fn = [].shift.call(arguments);
			for (var i = 0, l = arguments.length; i < l; i++) {
				][]
			}
		}
		function deepCopy(obj) {
			var res = null;
			if (typeof obj === 'object') {
				res = obj.constructor === Array ? []: {};
				for (var i in obj) {
					obj[i] = typeof obj[i] === 'object' ? deepCopy(obj[i]) : obj[i];
				}
				return res;
			} else {
				res = obj
			}
			return res;
		}
		function Person(name) {
			this.name = name;
		}
		function Child(name, parentName) {
			Person.call(this, parentName);
			this.name = name;
		}
		function create(o) {
			function F() {};
			F.prototype = o;
			return new F();
		}

		Child.prototype = create(Person.prototype);
		Child.prototype.Constructor = Child;

		function new2() {
			var obj = Object.create(null),
			Constructor = [].shift.call(arguments);
			obj.__proto__ = Constructor.prototype;
			var res = Constructor.apply(obj, arguments);
			return typeof res === 'object' ? res : obj;
		}
		function curry(fn, args) {
		    var length = fn.length;
		    var args = args || [];
		    return function() {
		        newArgs = args.concat(Array.prototype.slice.call(arguments));
		        if (newArgs.length < length) {
		            return curry.call(this,fn,newArgs);
		        }else{
		            return fn.apply(this,newArgs);
		        }
		    }
		}

		function multiFn(a, b, c) {
		    return a * b * c;
		}

		var multi = curry(multiFn);

		console.log(multi(2)(3)(4));
		// console.log(multi(2,3,4));
		// console.log(multi(2)(3,4));
		// console.log(multi(2,3)(4));
	</script>
</body>
</html>