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A collection of useful static methods to deal with numbers

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Defined By

Methods

 
Ext.Number
view source
constrain( -Number number, Number min, Number max) - : Number
Checks whether or not the current number is within a desired range. If the number is already within the -range it is ...

Checks whether or not the current number is within a desired range. If the number is already within the -range it is returned, otherwise the min or max value is returned depending on which side of the range is -exceeded. Note that this method returns the constrained value but does not change the current number.

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Parameters

  • number : Number

    The number to check

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  • min : Number

    The minimum number in the range

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  • max : Number

    The maximum number in the range

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Returns

  • Number   

    The constrained value if outside the range, otherwise the current value

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Ext.Number
view source
from( -Mixed value, Number defaultValue) - : Number
Validate that a value is numeric and convert it to a number if necessary. Returns the specified default value if -it i...

Validate that a value is numeric and convert it to a number if necessary. Returns the specified default value if -it is not.

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Ext.Number.from('1.23', 1); // returns 1.23 -Ext.Number.from('abc', 1); // returns 1

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Parameters

  • value : Mixed
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  • defaultValue : Number

    The value to return if the original value is non-numeric

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Returns

  • Number   

    value, if numeric, defaultValue otherwise

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Ext.Number
view source
toFixed( -Number value, Number precision) - : void

Formats a number using fixed-point notation

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Formats a number using fixed-point notation

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Parameters

  • value : Number

    The number to format

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  • precision : Number

    The number of digits to show after the decimal point

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Returns

  • void    -
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