Created
December 8, 2013 02:53
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset=utf-8 /> | |
| <title>JS Bin</title> | |
| </head> | |
| <body> | |
| </body> | |
| </html> |
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| var meter = (function(object){ | |
| var previous_values = [], | |
| max: 100, | |
| min: 0, | |
| value: 0; | |
| if ( typeof object != 'undefined' ) { | |
| if ( typeof object.data != 'undefined' ) { | |
| previous_values = object.data; | |
| } | |
| if ( typeof object.max != 'undefined' ) { | |
| max = object.max; | |
| } | |
| } | |
| var _meter = { | |
| min: min, | |
| max: max, | |
| value: value, | |
| previous_values: previous_values, | |
| auto_increase_max: true, | |
| add: function( addition ) { | |
| if ( typeof addition == "undefined" ) { | |
| addition = 1; | |
| } | |
| this.set_value( this.value + parseFloat(addition) ); | |
| return this; | |
| }, | |
| subtract: function ( subtraction ) { | |
| if ( typeof subtraction == "undefined" ) { | |
| subtraction = 1; | |
| } | |
| this.set_value( this.value - parseFloat(subtraction) ); | |
| return this; | |
| }, | |
| set_value: function ( value ) { | |
| if (typeof value == 'undefined') { | |
| return false; | |
| } | |
| if ( this.auto_set_max === true && value > this.max ) { | |
| this.set_max ( value ); | |
| } | |
| // if it's not greater than the max, set it | |
| if ( value <= this.max ) { | |
| // Lets just save the previous values | |
| this.previous_values.push(value); | |
| // Now actually set the value of this meter | |
| this.value = parseFloat(value); | |
| } | |
| else { | |
| return false; | |
| } | |
| return this; | |
| }, | |
| set_max: function( max ) { | |
| this.max = parseFloat( max ); | |
| return this; | |
| } | |
| }; | |
| return _meter; | |
| }); | |
| var visits = new meter({data: [2,6,7,9,14,21,34]}); | |
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