Use of Plain JavaScript in angular5

Question

Use of Plain JavaScript ( syntax like getDocumentById) in angular5 project is good coding practice or not , or Should we use ElementRef , TemplateRef , ContainerRef for referring the DOM elements instead of Plain JavaScript.

Vaibhav · Accepted Answer · 2018-10-31 09:13:31Z

1

It's not encouraged to use the DOM element manipulation directly . This blog explains why it should be avoided

With Angular 6 last update by google they have started moving towards shadow dom and dom hierarchy tree it would help dev community to not worrying about actual dom elements manipulation

answered Oct 31, 2018 at 9:13

Vaibhav

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T.J. Crowder · Accepted Answer · 2018-10-31 08:56:43Z

0

Use the framework, don't go direct to the DOM (which is what you mean by "plain JavaScript") unless you have no other choice. (Or don't use a framework at all.)

But note the warning in the ElementRef docs:

Permitting direct access to the DOM can make your application more vulnerable to XSS attacks. Carefully review any use of ElementRef in your code. For more detail, see the Security Guide.

If you can avoid using ElementRef (without going direct to the DOM), that's probably best.

answered Oct 31, 2018 at 8:56

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