对数组进行Push, Pop, Unshift 和 Shift 等操作代码,AS代码库,德仔网

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【AS】对数组进行Push, Pop, Unshift 和 Shift 等操作

作者:芷君 / 发布于2014/11/4/ 358


	var myArray:Array = new Array();
	
	
	// PUSH
	// Adds one or more elements to the end of an array and returns the new length of the array.
	myArray = ["a","b","c","d"];
	trace(myArray);
	myArray.push("e");
	trace(myArray);
	// OUTPUT
	// a,b,c,d
	// a,b,c,d,e
	
	
	// POP
	// Removes the last element from an array and returns the value of that element.
	myArray = ["a","b","c","d"];
	trace(myArray);
	myArray.pop();
	trace(myArray);
	// OUTPUT
	// a,b,c,d
	// a,b,c
	
	
	// UNSHIFT
	// Adds one or more elements to the beginning of an array and returns the new
	// length of the array. The other elements in the array are moved from their
	// original position, i, to i+1.
	myArray = ["a","b","c","d"];
	trace(myArray);
	myArray.unshift("_");
	trace(myArray);
	// OUTPUT
	// a,b,c,d
	// _,a,b,c,d
	
	
	
	// SHIFT
	// Removes the first element from an array and returns that element.
	// The remaining array elements are moved from their original position, i, to i-1.
	myArray = ["a","b","c","d"];
	trace(myArray);
	myArray.shift();
	trace(myArray);
	// OUTPUT
	// a,b,c,d
	// b,c,d

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　Push　　Pop　　Unshift　　　　Shift　

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