一个不错的字符串转码解码函数(自写)
内容摘要
function isString(variable) {
return Object.prototype.toString.call(variable).indexOf('String') != -1;
}
function isNumeric(variable) {
return !isNaN(par
return Object.prototype.toString.call(variable).indexOf('String') != -1;
}
function isNumeric(variable) {
return !isNaN(par
文章正文
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 | function isString(variable) { return Object.prototype.toString.call(variable).indexOf( 'String' ) != -1; } function isNumeric(variable) { return !isNaN(parseFloat(variable)) && isFinite(variable); } function stringEncode(string) { string = isString(string) || isNumeric(string) ? String(string) : '' ; var code, i = 0, code_string = '' , len = string.length; while (i < string.length) { code = string.charCodeAt(i); code_string += '' + String(code).length + code; i++; } return code_string; } function stringDecode(code) { var i = 0, code_len, decode_string = '' ; code = String(code); while (i < code.length) { code_len = +code.charAt(i); i++; decode_string += String.fromCharCode(+code. substr (i, code_len)); i += code_len; } return decode_string; } |
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