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The Array Object in Javascript
Array Constructors
Array();
Array( size );
Array( element1, element2, ..., elementN);
Array Examples
var aMyArray = new Array();
var aMyArray = new Array( 20 );
var aMyArray = new Array( 1,5,2,20,99 );
var aMyArray = new Array( "Mon", "Tue", "Wed", "Thu", "Fri" );
Array Usage
//Adding elements to an array
for (x=0; x<MyCount; x++) {
aMyArray[x] = close(-x)/open(-x);
}
//Retrieving elements from an array
for (x=0; x<MyCount; x++) {
nMyValue = aMyArray[x];
debugPrint( "Value: " + nMyValue + "\n" );
}
Array Methods and Properties
concat(array2)
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concatenates array2 into the array object
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join(separator)
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returns a string consisting ofall array elements concatenated with separator
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length
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returns the number of elements in the array
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pop()
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removes the last element from the array and returns that element
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push()
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adds one or more elements to the end of an array and returns the new length of the array
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shift()
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removes the first element from an array and returns that element
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unshift()
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adds one or more elements to the beginning of an array and returns the new array length
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reverse()
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reverses all of the elements in the array object
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slice(start,end)
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returns a section of the array from start to end
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splice(start, quant, [item1,...,itemN])
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changes the contents of an array, adding new elements while removing old elements
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sort(sortFunc)
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sorts the array using the user-defined sortFunc()
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