提前感谢任何能够考虑使用以下Javascript代码执行更有效或更好方式的人:
var availableCharacters=Array("a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "z", "0", "1", "2", "3", "4", "5", "6", "7", "8", "9");
for (counter=0; counter<availableCharacters.length; counter++){
if(availableCharacters[counter]=="i"||
availableCharacters[counter]=="l"||
availableCharacters[counter]=="I"||
availableCharacters[counter]=="L"||
availableCharacters[counter]=="1"||
availableCharacters[counter]=="0"||
availableCharacters[counter]=="O"){
availableCharacters.splice(counter, 1);
}
}
我要做的是运行数组并删除该数组中“i”,“l”,“I”,“L”,“1”,“0”或“O”的所有元素”。虽然这确实有效,但似乎它可能很慢而且有点麻烦。如果有更好的方法?如果不是那么不是问题,但大多数时候,当我做一些对我来说不合适的事情时,事实并非如此!所以我想我会问S.O。
谢谢:)
答案 0 :(得分:6)
更新的浏览器支持Array.filter
:
var availableCharacters = ........;
availableCharacters = availableCharacters.filter(function(a) {
return !a.match(/[ilLI10O]/);
});
但是对于旧版浏览器,Mark Linus给出的for循环很好。
答案 1 :(得分:4)
var availableCharacters=["a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "z", "0", "1", "2", "3", "4", "5", "6", "7", "8", "9"];
for (counter=0; counter<availableCharacters.length; counter++){
if(/[ilIL10O]/.test(availableCharacters[counter])){
availableCharacters.splice(counter, 1);
}
}
答案 2 :(得分:1)
使用简单过滤器列表的替代解决方案:
var availableCharacters=Array("a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "z", "0", "1", "2", "3", "4", "5", "6", "7", "8", "9");
var filter = ['i', 'l', 'I', 'L', '1', '0', 'O'];
for (counter=0; counter<availableCharacters.length; counter++){
if(filter.indexOf(availableCharacters[counter]) >= 0) {
availableCharacters.splice(counter, 1);
}
}
答案 3 :(得分:0)
如果您愿意使用jQuery you can use grep()
并将其写为:
var availableChars = ["a", "b", "c", '1', 'i', 'o', "9"];
var result = $.grep(availableChars, function(c) {
return !c.match(/[^il10o]/i)
})
document.write(result)
答案 4 :(得分:0)
过滤器很好,但是一个简单的字符串替换工作没有网络 -
var availableCharacters=["a", "b", "c", "d", "e", "f", "g", "h", "i",
"j", "k", "l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v", "w",
"x", "y", "z", "0", "1", "2", "3", "4", "5", "6", "7", "8", "9"];
var allowed= availableCharacters.join('').replace(/[iLl10O]/g,'').split('');
returned value: (Array)
a,b,c,d,e,f,g,h,j,k,m,n,o,p,q,r,s,t,u,v,w,x,y,z,2,3,4,5,6,7,8,9