Array loop, find:Control array : Two dimension array : Array « Language Basics « JavaScript DHTML





Array loop, find:Control array : Two dimension array

  

<!-- 
     Example File From "JavaScript and DHTML Cookbook"
     Published by O'Reilly & Associates
     Copyright 2003 Danny Goodman
-->

var myArray = ["Alice", "Fred", "Jean", "Steve"];
for (var i = 0; i < myArray.length ; i++) {
    alert("Item " + i + " is:" + myArray[i] + ".");
}

----------

var nameList = ["Alice", "Fred", "Jean", "Steve"];
var ageList = [23, 32, 28, 24];
function ageLookup(name) {
    for (var i = 0; i < nameList.length ; i++) {
        if (nameList[i] == name) {
            return ageList[i];
        }
    return "Could not find " + name + ".";
}

----------

function clearTextBoxes() {
    var allInputs = document.getElementsByTagName("input");
    for (var i = 0; i < allInputs.length; i++) {
        if (allInputs[i].type == "text") {
            allInputs[i].value = "";
        }
    }
}

----------

var salesArray = [[2300, 3105, 2909, 4800], 
                  [1800, 1940, 2470, 4350], 
                  [900, 1200, 1923, 3810]];

var total = 0;
for (var i = 0; i < salesArray.length; i++) {
    for (var j = 0; j < salesArray[i].length; j++) {
        total += salesArray[i][j];
    }
}

           
         
    
  










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