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javascript - best way to convert values of object or array
var legend = {
    "html": "html5",
    "css2": "css3",
    "javascript": "jquery"
}

var old_array = new Array("html", "css2", "javascript");
var new_array = [];

max = old_array.length;

// loop through values in original array
for(i=0;i<max;i++){
    for(var val in legend){
            // looping through values in legend.  If match, convert
        if(old_array[i] === val){
            new_array[i] = legend[val];
        }
    }
}
console.log(new_array);
document.write(new_array);

var legend = {
    "html": "html5",
    "css2": "css3",
    "javascript": "jquery"
}

var old_array = new Array("html", "css2", "javascript");
var new_array = [];

max = old_array.length;

// loop through values in original array
for(var i=0;i<max;i++){
    // see if array value is a key in the legend object
    if ([old_array[i] in legend) {
        new_array.push(legend[old_array[i]]);
    }
}
console.log(new_array);
document.write(new_array);