網絡暴民 Jacky's Blog

 function convert(){ 
  var output = parseUrl(document.getElementById("input").value); 
  document.getElementById('output').value = output; 
 } 
 
 var parseUrl = function(input){ 
  if(!input) return ''; 
 
  var lines = input.split('\n'); 
  var re = /^(http:\/\/www\.amazon\.[\w\.]{2,6}).*(\/(dp|gp\/product)\/[A-z0-9]*)(\/|\?).*/; 
  var result = ''; 
 
  for(var i in lines){ 
    var l = lines[i]; 
    if(re.test(l)){ 
      l = l.replace(re,'$1$2'); 
    } 
    result += l + '\n'; 
  } 
  return result; 
 } 
 
 document.getElementById('output').onfocus = function () {this.select();}; 
 document.getElementById('input').onkeyup =  
 document.getElementById('input').onblur =  
 document.getElementById('input').onchange = convert;