최초등록

common/tree/js/ie5.js

@@ -0,0 +1,82 @@
+// +----------------------------------------------------------------+
+// | Array functions that are missing in IE 5.0                     |
+// | Author: Cezary Tomczak [www.gosu.pl]                           |
+// | Free for any use as long as all copyright messages are intact. |
+// +----------------------------------------------------------------+
+
+// Removes the last element from an array and returns that element.
+if (!Array.prototype.pop) {
+    Array.prototype.pop = function() {
+        var last;
+        if (this.length) {
+            last = this[this.length - 1];
+            this.length -= 1;
+        }
+        return last;
+    };
+}
+
+// Adds one or more elements to the end of an array and returns the new length of the array.
+if (!Array.prototype.push) {
+    Array.prototype.push = function() {
+        for (var i = 0; i < arguments.length; ++i) {
+            this[this.length] = arguments[i];
+        }
+        return this.length;
+    };
+}
+
+// Removes the first element from an array and returns that element.
+if (!Array.prototype.shift) {
+    Array.prototype.shift = function() {
+        var first;
+        if (this.length) {
+            first = this[0];
+            for (var i = 0; i < this.length - 1; ++i) {
+                this[i] = this[i + 1];
+            }
+            this.length -= 1;
+        }
+        return first;
+    };
+}
+
+// Adds one or more elements to the front of an array and returns the new length of the array.
+if (!Array.prototype.unshift) {
+    Array.prototype.unshift = function() {
+        if (arguments.length) {
+            var i, len = arguments.length;
+            for (i = this.length + len - 1; i >= len; --i) {
+                this[i] = this[i - len];
+            }
+            for (i = 0; i < len; ++i) {
+                this[i] = arguments[i];
+            }
+        }
+        return this.length;
+    };
+}
+
+// Adds and/or removes elements from an array.
+if (!Array.prototype.splice) {
+    Array.prototype.splice = function(index, howMany) {
+        var elements = [], removed = [], i;
+        for (i = 2; i < arguments.length; ++i) {
+            elements.push(arguments[i]);
+        }
+        for (i = index; (i < index + howMany) && (i < this.length); ++i) {
+            removed.push(this[i]);
+        }
+        for (i = index + howMany; i < this.length; ++i) {
+            this[i - howMany] = this[i];
+        }
+        this.length -= removed.length;
+        for (i = this.length + elements.length - 1; i >= index + elements.length; --i) {
+            this[i] = this[i - elements.length];
+        }
+        for (i = 0; i < elements.length; ++i) {
+            this[index + i] = elements[i];
+        }
+        return removed;
+    };
+}