localstorage：localstorage中的getAllItems，除了一个键

Question

我正在修改一个HTML5应用程序，记录在项目，日期和项目代码上花费的时间。它使用localstorage，localstorage中有两种键 - 时间戳键和另一个名为“userdetails”的键。下面的代码列出了存储中的所有数据。我想仅列出带时间戳的数据，而不是列出'userdetails'键中包含的数据。

function getAllItems() {
var timeLog = "";
var i = 0;
var logLength = localStorage.length-1;
var totalHours = 0.0;   

for (i = 0; i <= logLength; i++) {
    var itemKey = localStorage.key(i);
    var values = localStorage.getItem(itemKey);
    values = values.split(";");
    var code = values[0];
    var hours = values[1];
    var date = values[2];

Answer 1

function getAllItems() {
    var timeLog = "";
    var i = 0;
    var logLength = localStorage.length-1;
    var totalHours = 0.0;   
    for (i = 0; i <= logLength; i++) {
        var itemKey = localStorage.key(i);
        if(itemKey == 'timestamped' ){
        var values = localStorage.getItem(itemKey);
        values = values.split(";");
        var code = values[0];
        var hours = values[1];
        var date = values[2];
      }

    }
}

function getAllItems() { var timeLog = ""; var i = 0; var logLength = localStorage.length-1; var totalHours = 0.0; for (i = 0; i <= logLength; i++) { var itemKey = localStorage.key(i); if(itemKey == 'timestamped' ){ var values = localStorage.getItem(itemKey); values = values.split(";"); var code = values[0]; var hours = values[1]; var date = values[2]; } } }

Answer 2

这会吐出所有键，但 userDetails ：

function getAllItems() {
    // housekeeping
    var timeLog = ""
        , i = 0
        , logLength = localStorage.length-1
        , totalHours = 0.0
        , theKeyToIgnore = 'userDetails'
    ;   

    // loop through all keys
    for( i = 0; i <= logLength; i++ ) {
        var itemKey = localStorage.key( i )
            , values = localStorage.getItem( itemKey )
        ;

        // is this the ignored key? then skip a loop iteration 
        if( itemKey === theKeyToIgnore ) { continue; }

        values = values.split( ";" );

        // set our data
        var code    = values[ 0 ]
            , hours = values[ 1 ]
            , date  = values[ 2 ]
        ;

        // display it
        console.log( itemKey + ' => ' + code + ' ' + hours + ' ' + date );

        // tally total hours
        totalHours += parseFloat( hours ); 
    }

    // display total hours
    console.log( 'total hours: ' + totalHours );
}


> getAllItems();
  1382614467062 => 100 7 10/01/2013
  1382614476654 => 200 3 10/02/2013
  1382703706453 => 123 6 10/16/2013
  total hours: 16