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During coding JavaScript applications, we usually have to work with many JavaScript arrays; and sometimes declare/initiate them is the time-consuming tasks.

For this reason, I would like to present you this JavaScript code example. We can use this script to generate many arrays as you need with a lot of options: JavaScript array length, JavaScript string array, names, style to display, etct; that will help speed up your jobs. Easy to use and implement!

Label: JavaScript in array, JavaScript string array, JavaScript array object, JavaScript array length, JavaScript array maker, JavaScript application

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<style type="text/css">
#display {
  position: relative;
  left: 10px;
  width: 450px;
  border: 1px solid black;
  padding: 10px;
}
</style>

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<script type="text/javascript">
// Created by: Mr. J | http://www.huntingground.net/
// This script downloaded from www.JavaScriptBank.com

function init(){
  array_name=document.f1.t1.value //name of array
  val2=document.f1.t3a.value
  ext=document.f1.t4.value
  for(r=0;r<document.f1.r1.length;r++){ // check which r1 radio is selected
    if(document.f1.r1[r].checked==true){
      option=document.f1.r1[r].value // selected radio value
    }
  }

  if(option==0){
    document.getElementById("display").innerHTML=array_name+" = new Array(" // opening array type 1
  } else {
    document.getElementById("display").innerHTML=array_name+" = new Array()<br>" // opening array type 2 & 3
  }

  if(document.f1.r2[0].checked==true){ // if indexed values
    make_array1()
  }

  if(document.f1.r2[1].checked==true){ // if non index values
    make_array2()
  }
}

function make_array1(){
  array_length=document.f1.t2.value-1 // length of array
  index_values=document.f1.t3.value // index value

  if(array_length==""||array_length==0){ // make sure a viable number is used
    document.getElementById("display").innerHTML="Please Enter a Number"
    document.f1.b2.disabled=true
    return
  } else {
    if(!ns){document.f1.cpy.disabled=false}
  }

  for(num=0;num<array_length;num++){
    j=num
    if(num<10){num="00"+num}
    if(num>9&&num<100){num="0"+num}
    if(document.f1.t4.value.length>0){
      i=num+val2+ext}
      else{i=num+val2}

  if(option==0){ // insert inner indexes for type 1
    document.getElementById("display").innerHTML+="\""+index_values+i+"\", "
  } else {
    if(option==1){ // insert inner indexes for type 2
      document.getElementById("display").innerHTML+=array_name+"["+j+"]="
      document.getElementById("display").innerHTML+="\""+index_values+i+"\"<br>"
    } else { // insert inner indexes for type 3
      document.getElementById("display").innerHTML+=array_name+"["+array_name+".length]=\""+index_values+i+"\"<br>"
    }
  }
}

if(num<10){num="00"+num}
if(num>9&&num<100){num="0"+num}
if(num>100){num=num}

if(document.f1.t4.value.length>0){
  i= num+val2+ext}
  else{i=num+val2}

  if(option==0){ // insert last indexes for type 1
    document.getElementById("display").innerHTML+="\""+index_values+i+"\")"
  } else {
    if(option==1){ // insert last indexes for type 2
      document.getElementById("display").innerHTML+=array_name+"["+(j+1)+"]="
      document.getElementById("display").innerHTML+="\""+index_values+i+"\"<br>"
    } else { // insert last indexes for type 3
      document.getElementById("display").innerHTML+=array_name+"["+array_name+".length]=\""+index_values+i+"\"<br>"
    }
  }
}

index_value=new Array()
count= 0
last=0

function make_array2(){
  if(!ns){document.f1.cpy.disabled=false}
  for(r=0;r<document.f1.r1.length;r++){ // check which r1 radio is selected
    if(document.f1.r1[r].checked==true){
      chkrad=r
    }
  }
  if(chkrad!=last){ // prevent additional index when only changing array style
    count--
  }

  if(document.f1.t4.value.length>0){
    index_value[count]=document.f1.t3.value+ext}
  else {
    index_value[count]=document.f1.t3.value
  }

  for(i=0;i<count;i++){
    if(option==0){
      document.getElementById("display").innerHTML+="\""+index_value[i]+"\", "
    } else {
      if(option==2){
        document.getElementById("display").innerHTML+=array_name+"["+array_name+".length]=\""+index_value[i]+"\"<br>"
      } else {
        document.getElementById("display").innerHTML+=array_name+"["+i+"]=\""+index_value[i]+"\"<br>"
      }
    }
  }

  if(option==0){
    document.getElementById("display").innerHTML+="\""+index_value[i]+"\")"
  } else {
    if(option==2){
      document.getElementById("display").innerHTML+=array_name+"["+array_name+".length]=\""+index_value[i]+"\"<br>"
    } else {
      document.getElementById("display").innerHTML+=array_name+"["+i+"]=\""+index_value[i]+"\"<br>"
    }
  }
  count++
  document.f1.t3.select()
  last=chkrad
}

function oreset(){
  count=0
  document.f1.t3.value=""
  document.getElementById("display").innerHTML=""
  document.f1.t3.select()
}

function chk(){
  if(document.f1.r2[0].checked==true){
    document.f1.t2.disabled=false
    document.getElementById("sp").disabled=false
    document.f1.t2.style.backgroundColor="#FFFFFF"
    document.f1.b1.disabled=false
    document.f1.b2.disabled=true
    document.f1.b3.disabled=true
    document.f1.t3a.disabled=false
    document.f1.t3a.style.backgroundColor="#FFFFFF"
  } else {
    document.f1.t2.disabled=true
    document.getElementById("sp").disabled=true
    document.f1.t2.style.backgroundColor="#c0c0c0"
    document.f1.b1.disabled=true
    document.f1.b2.disabled=false
    document.f1.b3.disabled=false
    document.f1.t3.select()
    document.f1.t3a.disabled=true
    document.f1.t3a.style.backgroundColor="#c0c0c0"
  }
}

function Copy(id){
  if(ns){
    alert("Sorry, Netscape does not recongise this function")
    document.f1.cpy.disabled=true
    return
  }
  copyit=id
  textRange = document.body.createTextRange();
  textRange.moveToElementText(copyit);
  textRange.execCommand("Copy");
  alert("Copying Complete.\n\nPlease Paste into your SCRIPT")
}

ns=document.getElementById&&!document.all

function getKey(e) {
  pressed_key=(!ns)?event.keyCode:e.which
  if( pressed_key==13){
    init()
  }
}
document.onkeypress = getKey;
</script>

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<!--
/*
     This script downloaded from www.JavaScriptBank.com
     Come to view and download over 2000+ free javascript at www.JavaScriptBank.com
*/
-->
<form name="f1">

<table border="0">
  <tr>
    <td>Array Name:</td>
    <td colspan="6">
      <input type="text" name="t1" value="myArray">
    </td>
  </tr><tr>
    <td>

      <span id="sp">Indexed Array Length:</span>
    </td>
    <td colspan="6">
      <input type="text" name="t2" value="5" size="3" maxlength="3">
    </td>
  </tr><tr>
    <td>Index Value:</td>
    <td colspan="6">

      <input type="text" name="t3" value="image" size="10">
      <input type="text" name="t3a" value="_tn" size="10"> Ext
      <input type="text" name="t4" value=".jpg" size="4" maxlength="4">
    </td>
  </tr><tr>
    <td>Index Style:</td>
    <td align="right">1
      <input type="radio" name="r1" value="0" checked onclick="init()">
    </td>

    <td> </td>
    <td align="right">2
      <input type="radio" name="r1" value="1" onclick="init()">
    </td>
    <td> </td>
    <td align="right">3
      <input type="radio" name="r1" value="2" onclick="init()">
    </td>
    <td width="80"> </td>

  </tr><tr>
    <td>Add Numerical Values:</td>
    <td align="right">Yes
      <input type="radio" name="r2" value="0" checked onclick="chk()">
    </td>
    <td align="center"> </td>
    <td align="right">No
      <input type="radio" name="r2" value="1" onclick="chk()">
    </td>

    <td> </td>
    <td colspan="2"> </td>
  </tr><tr align="center">
    <td>
      <input type="button" name="b1" value="Numerical Enter" onclick="init()">
    </td>
    <td colspan="6">
      <input type="button" name="cpy" value="Copy Array" onclick="Copy(display)" disabled>

      <input type="button" name="b2" value="Manual Enter" onclick="init()" disabled>
      <input type="button" name="b3" value="Restart" onclick="oreset()" disabled>
    </td>
  </tr>
</table>

</form>

<div id="display"></div>

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15/02/2011
Mr. J [more]
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JavaScript Filename Array Maker - Language: English

0/5 0 votes / 4,618 previews / 0 comment 15/02/2011 During coding JavaScript applications, we usually have to work with many JavaScript arrays; and sometimes declare/initia...JavaScript Filename Array Maker - JavaScript Filename Array Maker - Language: English

Cao Phong[4]

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