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Best Pratices for Object.assign: http://www.cnblogs.com/Answer1215/p/5096746.html Object.assign() can extend the object by adding new props: let obj = 阅读全文
posted @ 2015-11-12 03:13
Zhentiw
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An introduction to the Web Audio API. In this lesson, we cover creating an audio context and an oscillator node that actually plays a sound in the bro... 阅读全文
posted @ 2015-11-11 01:47
Zhentiw
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How to work with JSON data indirectly through a Falcor Model. The Falcor Model allows you to work with data using the same familiar JavaScript path sy... 阅读全文
posted @ 2015-11-09 02:47
Zhentiw
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Use the Falcor Router to create a Virtual JSON resource. In this tutorial we will use Falcor’s express middleware to serve the Virtual JSON resource o... 阅读全文
posted @ 2015-11-09 02:34
Zhentiw
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You can watch for form / control changes by using .valueChanges.observe({...}): this.sku.valueChanges.observer({ next: (value)=>{ ... 阅读全文
posted @ 2015-11-09 01:55
Zhentiw
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Create a custom validtor which only accepts the string start with '123'; function skuValidator(control){ if(!control.value.match(/^123/)){ ... 阅读全文
posted @ 2015-11-09 01:48
Zhentiw
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In last post, we need to create an instanse variable:sku: AbstructControl;We can get rid of this by getting the exported form from NgFormControl, what... 阅读全文
posted @ 2015-11-09 01:37
Zhentiw
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Define a filed should has validation: export class DemoFormSku { myForm: ControlGroup; sku: AbstractControl; constructor(fb:FormBuilder) { this.myForm 阅读全文
posted @ 2015-11-06 04:04
Zhentiw
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There are two main functions we’ll use on FormBuilder:•control - creates a new Control• group - creates a new ControlGroupimport {Component, bootstrap... 阅读全文
posted @ 2015-11-06 02:55
Zhentiw
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Control:Controls encapsulate the field's value, a states such as if it is valid, dirty or has errors.var nameControl = new Control("Nate");var name = ... 阅读全文
posted @ 2015-11-06 02:40
Zhentiw
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