recalculate() Utility Functions
Executes a callback function on the specified number of bars back.
Syntax recalculate( [NumberBars,] CallbackFn )
Parameters Parameter:
Description: Default:
NumberBars [Optional] An integer representing the number of bars ago on which a callback function will be executed.
Downloaded the number of bars in chart/grid
CallbackFn Function to execute for each bar. Has no input parameters.
n/a
Notes Only available in versions 11.8 or later.
Code Examples Using of an anonymous function: setPriceStudy(true);var bInit = false;var xClose = null;var i = 0;function main(){ if (!bInit){ xClose = close(); bInit = true; }; var nLastClose = xClose.getValue(0); if (isLastBarOnChart()){ clearShape(); //checks and displays bars whose close is higher //than the current price using an anonymous function recalculate(function(){ var nClose = xClose.getValue(0); if (nClose > nLastClose) drawShapeRelative(0,AboveBar1,Shape.CIRCLE,null, Color.lime,Shape.PRESET|Shape.CENTER,i++); }); };}
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Using of a named function: setPriceStudy(true);var bInit = false;var xClose = null;var i = 0;function main(){ if (!bInit){ xClose = close(); bInit = true; }; var nLastClose = xClose.getValue(0); function Draw(){ var nClose = xClose.getValue(0); if (nClose > nLastClose) drawShapeRelative(0,AboveBar1,Shape.CIRCLE,null, Color.lime,Shape.PRESET|Shape.CENTER,i++); }; if (isLastBarOnChart()){ clearShape(); //checks 10 bars back and displays bars whose close is higher //than the current price using a named function "Draw" recalculate(10, Draw); };} |
See Also
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