1.
1 for(var x = 0; x < 10; x++)
2 {
3 eval ("var i" + x + "=" + x);
4 alert(i5);
5 }
6
2 {
3 eval ("var i" + x + "=" + x);
4 alert(i5);
5 }
6
榪欎釜javascript紼嬪簭騫朵笉浼?xì)杩愯锛屽洜湄?fù)錛岀涓嬈″驚鐜殑鏃跺欙紝銆alert(i5)鏃犳硶榪愯銆俰5榪欎釜鍙橀噺榪樻病鏈夊０鏄庡拰鍒濅嬌鍖栥?br /> 鍦↗S涓紝鍗充嬌娌℃湁鍒濆鍖栧彉閲忥紝鍙澹版槑浜嗗彉閲忋傘傚湪alert鐨勬椂鍊欒繕浼?xì)鏄窘C鴻錛歶ndefined...涓嶇劧娌″０鏄庣殑鍙橀噺鐩存帴鐢ㄧ殑璇濅細(xì)琚涓烘槸閿欒銆傘傘?br />
鏁呫傘傘傚啓JS鐨勬椂鍊欙紝鎻愬¤寰楀０鏄庝竴涓嬶紙var涓涓級銆傘?
2.
1
2 var testFunction = new Function("x", "y", "var getx = x; var gety = y; var result = getx + gety; return result;");
3 alert(testFunction(3, 6));
4
5 function test()
6 {
7 }
8 var obj = new test();
9 obj.name = "oso";
10 obj.num = 52;
11 function demo()
12 {
13 alert("wjf, you are my love!!");
14 }
15 obj.say = demo;
16 obj.say();
絎紥琛屼腑鐨凢unction寰楃涓涓瓧姣嶅ぇ鍐欙紝鍦ㄥ叾瀹冪殑鍑芥暟澹版槑瀹氫箟鐨勬椂鍊欙紝寰楀皬鍐欍備笉鐒跺嚭閿欙紒錛侊紒2 var testFunction = new Function("x", "y", "var getx = x; var gety = y; var result = getx + gety; return result;");
3 alert(testFunction(3, 6));
4
5 function test()
6 {
7 }
8 var obj = new test();
9 obj.name = "oso";
10 obj.num = 52;
11 function demo()
12 {
13 alert("wjf, you are my love!!");
14 }
15 obj.say = demo;
16 obj.say();
w菕鎰涗急--鍜懼﹩ 2008-02-02 23:18 鍙戣〃璇勮
]]>