ExtJS learning ----------- Ext. Number, ExtJS extension of Number in javascript, extjs Extension

ExtJS learning ----------- Ext. Number, ExtJS extension of Number in javascript, extjs Extension

ExtJS extension of the Number in javascript, you can refer to its help documentation, Documentation: http://download.csdn.net/detail/z1137730824/7748893

The following describes some of the methods:

(1) constrain

Constrain (Number number Number, Number min, Number max): Number

Check whether the given value is within the constraints. If the number is already within the value range, this value is returned. Otherwise, if the value is greater than the maximum value, the maximum value is returned. If the value is smaller than the minimum value, the minimum value is returned ., Otherwise the min or max value is returned depending on which side of the range is note that this method does not change the given value itself. Note that this method returns the constrained value but does not change the current number.

Parameters

• Number: Number

  Value to be checked

• Min: Number

  Minimum value of the range

• Max: Number

  Maximum Value

Returns

• Number

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

(2) randomInt, which randomly generates a random number in the range

RandomInt (Number from, Number to): Number

Returns a random integer between the specified range (random)

Parameters

• From: Number

  Lowest value to return.

• To: Number

  Highst value to return.

(3) toFixed, rounded to the digits after the decimal point of the input value

ToFixed (Number value, Number precision)

Formats a number using fixed-point notation

Parameters

• Value: Number

  The number to format

• Precision: Number

  The number of digits to show after the decimal point

Call extjs in javascript

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I think you should be very satisfied with this.
Ext. Msg. show ("...");

What is ExtJS? How to learn

I will give you a simple tutorial on getting started. ExtJs is a framework written in js. There are a lot of discussions on it on the Internet.

For more information, see

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