In this article we will learn about some of the frequently asked HTML programming questions in technical like “angular ngfor index” Code Answer’s. When creating scripts and web applications, error handling is an important part. If your code lacks error checking code, your program may look very unprofessional and you may be open to security risks. Error or stack handling on html was simple and easy. An error message with filename, line number and a message describing the error is sent to the browser. This tutorial contains some of the most common error checking methods in HTML. Below are some solution about “angular ngfor index” Code Answer’s.
ngfor get index
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<ul>
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<li *ngFor="let item of items; let i = index" [attr.data-index]="i">
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{{item}}
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</li>
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</ul>
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angular ngfor index
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<ul>
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<li *ngFor="let item of items; let i = index" [attr.data-index]="i">
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{{item}}
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</li>
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</ul>
ngfor index
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/*
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ngFor with index in angular is used here for generating 'li' element till the studentDetails array length.
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And also make a note if you are using angular 1 then you have to replace 'let' with '#', but its ok if you are using angular 2 or above.
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*/
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<ul>
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<li *ngFor="let student of studentDetails; index as i;" [attr.data-index]="i">
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{{student}}
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</li>
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</ul>
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/*
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I hope it will help you.
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Namaste
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*/
how to get index for ngfor
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*ngFor="let item of items; index as i;"
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// OR
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*ngFor="let item of items; let i = index;"
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// i will be the index, starting from 0
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// and you can show it in the string interpolation with {{ i }}
ngfor index
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<ul>
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<li *ngFor="let item of items; index as i">
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{{item}}
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</li>
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</ul>
ngfor index
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<ul>
2
<li *ngFor="let item of items; let i = index" [attr.data-index]="i">
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{{item}}
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{{i}}
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</li>
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</ul>
