摘自启点的main.js

2024-05-06 14:18:08

字体：大中小

来源：转载

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String.prototype.trim = function()
{
    return this.replace(/(^/s*)|(/s*$)/g, "");
}

String.prototype.len=function()
{
    return this.replace(/[^/x00-/xff]/g,'aa').length;
}

function StringBuilder(value)
{
    this.strings = new Array("");
    this.append(value);
}

// Appends the given value to the end of this instance.
StringBuilder.prototype.append = function (value)
{
    if (value)
    {
        this.strings.push(value);
    }
}

// Clears the string buffer
StringBuilder.prototype.clear = function ()
{
    this.strings.length = 1;
}

// Converts this instance to a String.
StringBuilder.prototype.toString = function ()
{
    return this.strings.join("");
}

//string format prototype
// sample: var test="my name is {0} {2} " ;
//              alert(test.format('liang','zhonghua');
  if (!String._FORMAT_SEPARATOR){
        String._FORMAT_SEPARATOR = String.fromCharCode(0x1f);
        String._FORMAT_ARGS_PATTERN = new RegExp('^[^' + String._FORMAT_SEPARATOR + ']*'
            + new Array(100).join('(?:.([^' + String._FORMAT_SEPARATOR + ']*))?'));
    }
    if (!String.format)
    {
        String.format = function (s){
            return Array.prototype.join.call(arguments, String._FORMAT_SEPARATOR).
                replace(String._FORMAT_ARGS_PATTERN, s);
        }
    }
    if (!''.format)
    {
    String.prototype.format = function (){
        return (String._FORMAT_SEPARATOR +
            Array.prototype.join.call(arguments, String._FORMAT_SEPARATOR)).
            replace(String._FORMAT_ARGS_PATTERN, this);

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