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function Fibonacci(num){
if(num <= 2){
return 1;
}else{
return Fibonacci(num - 1) + Fibonacci(num - 2)
}
}
var counter1 = new Counter();
Fibonacci(30);
counter1.show()
//Firefox Ͻá¹ûΪ413ºÁÃë
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function FibonacciWhile(number){
if(number>2){
var num1=num2=1,times=number-2,i=1;
while(i<=times){
result = num1+num2;
num1 = num2;
num2 = result;
i++;
}
return result;
}else if(number>0){
return 1;
}
}
var counter2 = new Counter();
FibonacciWhile(3000000);
counter2.show()
//Firefox Ͻá¹ûΪ530ºÁÃë
ForÑ»·µÄģʽ£º
function FibonacciFor(n){
if (n > 2) {
for (var i=1,f0=1,f1=1,times=n-2; i <= times; i++) {
currentFib = f0 + f1;
f0 = f1;
f1 = currentFib;
}
return currentFib;
}else if(n>0){
return 1;
}
}
var counter3 = new Counter();
FibonacciFor(3000000);
counter3.show()
//Firefox Ͻá¹ûΪ380ºÁÃë
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Node.ATTRIBUTE_NODE
Node.TEXT_NODE
Node.CDATA_SECTION_NODE
Node.ENTITY_REFERENCE_NODE
Node.ENTITY_NODE
Node.PROCESSING_INSTRUCTION_NODE
Node.COMMENT_NODE
Node.DOCUMENT_NODE
Node.DOCUMENT_TYPE_NODE
Node.DOCUMENT_FRAGMENT_NODE
Node.NOTATION_NODE
......
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