Validating social security number javascript

In the previous posts we have looked at JSLink and how we can use it, we have looked at overriding the rendering of individual fields both for display and also for editing.

Now we are going to look at Validators and how we can validate user input before their changes are saved.

There are javascript converter objects that support the methods get As String() and get As Object(). There are javascript validator objects that support the validate() method. The first thing to do is write a version of the converter in javascript.

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The HTML5 specification discusses several attributes which you can use with INPUT elements to perform client-side validation including the required, pattern, min, max, step, and maxlength attributes.We then need a final method which tells Share Point basically what to do when an error actually occurs.This is a fairly simple method in which you can basically do whatever you want (pop-up alerts, add HTML to the page, change CSS, whatever you need).function if we wanted a particularly crude error message but it would be much better to have some formatted error message just like Share Point does out of the box ..This chapter will explain how a developer can write their own converters and validators in such a way to take advantage of this feature.This chapter assumes knowledge of JSF converters and validators, so please make sure you understand how they work before continuing.

Validating social security number javascript