array-chunking.js

	//array chunking 
			function chunk (array,process,context) {
				setTimeout(function () {
					//取出数组每一项
					var item = array.shift();
					//处理函数
					process.call(context,item);
					//只要不为空
					if(array.length > 0) {
						setTimeout(arguments.callee,100);
					}
				},100)
			}
			var data = [1,2,3,4,12,12,12,312,312,3123,12,312,2,2,4,5,65,56,67,87,89,98,90,09,890,78,56,34,432,324];
			function printValue(item) {
				var div = document.getElementById("myDiv");
				div.innerHTML += item + "<br>";
				console.log(item);
				console.log(data);
			}
			chunk(data.concat(),printValue);
			
			
			//假死
			var data = [];
			for(var i = 0; i < 100000; i ++) {
				data[i] = i;
				printValue(data[i])
			}
			function printValue(item) {
				var div = document.getElementById("myDiv");
				div.innerHTML += item + "<br>";
				console.log(item);
			}
			printValue(data[i])
				console.log(data);
		//	chunk(data.concat(),printValue);