How to count characters in keyup in angular 6

how do you count characters including space in keyup event in angular 6?

import { Component } from '@angular/core';

@Component({

  selector: 'app-loop-back',

  template: `

    <input #box (keyup)="0">

    <p>{{box.value}}</p>

  `

})

export class LoopbackComponent { }

asked Nov 20 '18 at 5:13

Kevin Daniel

266

1

using box.value.length bro.

– kousher alam pranto
Nov 20 '18 at 5:18

add a comment |

how do you count characters including space in keyup event in angular 6?

import { Component } from '@angular/core';

@Component({

  selector: 'app-loop-back',

  template: `

    <input #box (keyup)="0">

    <p>{{box.value}}</p>

  `

})

export class LoopbackComponent { }

asked Nov 20 '18 at 5:13

Kevin Daniel

266

1

using box.value.length bro.

– kousher alam pranto
Nov 20 '18 at 5:18

add a comment |

how do you count characters including space in keyup event in angular 6?

import { Component } from '@angular/core';

@Component({

  selector: 'app-loop-back',

  template: `

    <input #box (keyup)="0">

    <p>{{box.value}}</p>

  `

})

export class LoopbackComponent { }

asked Nov 20 '18 at 5:13

Kevin Daniel

266

how do you count characters including space in keyup event in angular 6?

import { Component } from '@angular/core';

@Component({

  selector: 'app-loop-back',

  template: `

    <input #box (keyup)="0">

    <p>{{box.value}}</p>

  `

})

export class LoopbackComponent { }

angular typescript

asked Nov 20 '18 at 5:13

Kevin Daniel

266

asked Nov 20 '18 at 5:13

Kevin Daniel

266

asked Nov 20 '18 at 5:13

Kevin Daniel

266

asked Nov 20 '18 at 5:13

Kevin Daniel

266

asked Nov 20 '18 at 5:13

Kevin Daniel

266

1

using box.value.length bro.

– kousher alam pranto
Nov 20 '18 at 5:18

add a comment |

1

using box.value.length bro.

– kousher alam pranto
Nov 20 '18 at 5:18

using box.value.length bro.

– kousher alam pranto
Nov 20 '18 at 5:18

add a comment |

4 Answers
4

active

oldest

votes

You can count character by
box.value.length
or
box.value?.length

? after the property will check for undefined..

answered Nov 20 '18 at 5:19

kousher alam pranto

399413

1

Simplest approach +1

– Pardeep Jain
Nov 20 '18 at 6:06

just come up with an answer before i look up answer here xD anyway thanks for the answer same as mine :) stackblitz.com/edit/…

– Kevin Daniel
Nov 20 '18 at 6:29

add a comment |

use {{box.value.length}}

import { Component } from '@angular/core';

@Component({

  selector: 'app-loop-back',

  template: `

    <input #box (keyup)="0">

    <p>{{box.value}}</p>

    <p>{{box.value.length}}</p>

  `

})

export class LoopbackComponent { }

answered Nov 20 '18 at 5:19

Krishna Rathore

3,6592618

add a comment |

Using 2-way binding you can bind to box and it will automatically update with changes. You do not need to use a (keyup) event handler here:

template: `

    <input [(ngModel)]="box">

    <p>{{box.length}}</p>

  `

In your module import the FormsModule from here:

import { FormsModule } from '@angular/forms';

And that will allow you to use ngModel. [( )] turns on 2-way binding meaning that the display and value will automatically stay in sync without any extra logic.

answered Nov 20 '18 at 5:24

JBoothUA

845425

add a comment |

You can also use the below method :

import { Component } from '@angular/core';

@Component({

  selector: 'app-loop-back',

  template: `

    <input #box (keyup)="onKeyUp(box)">

    <p>{{box.value}}</p>

  `

})

export class LoopbackComponent { 



  onKeyUp(boxInput : HTMLInputElement){

    let length = boxInput.value.length ; //this will have the length of the text entered in the input box

    console.log(length);

  }

}

answered Nov 20 '18 at 5:35

CruelEngine

9891919

add a comment |

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4 Answers
4

active

oldest

votes

4 Answers
4

active

oldest

votes

You can count character by
box.value.length
or
box.value?.length

? after the property will check for undefined..

answered Nov 20 '18 at 5:19

kousher alam pranto

399413

1

Simplest approach +1

– Pardeep Jain
Nov 20 '18 at 6:06

just come up with an answer before i look up answer here xD anyway thanks for the answer same as mine :) stackblitz.com/edit/…

– Kevin Daniel
Nov 20 '18 at 6:29

add a comment |

You can count character by
box.value.length
or
box.value?.length

? after the property will check for undefined..

answered Nov 20 '18 at 5:19

kousher alam pranto

399413

1

Simplest approach +1

– Pardeep Jain
Nov 20 '18 at 6:06

just come up with an answer before i look up answer here xD anyway thanks for the answer same as mine :) stackblitz.com/edit/…

– Kevin Daniel
Nov 20 '18 at 6:29

add a comment |

You can count character by
box.value.length
or
box.value?.length

? after the property will check for undefined..

answered Nov 20 '18 at 5:19

kousher alam pranto

399413

You can count character by
box.value.length
or
box.value?.length

? after the property will check for undefined..

answered Nov 20 '18 at 5:19

kousher alam pranto

399413

answered Nov 20 '18 at 5:19

kousher alam pranto

399413

answered Nov 20 '18 at 5:19

kousher alam pranto

399413

answered Nov 20 '18 at 5:19

kousher alam pranto

399413

1

Simplest approach +1

– Pardeep Jain
Nov 20 '18 at 6:06

just come up with an answer before i look up answer here xD anyway thanks for the answer same as mine :) stackblitz.com/edit/…

– Kevin Daniel
Nov 20 '18 at 6:29

add a comment |

1

Simplest approach +1

– Pardeep Jain
Nov 20 '18 at 6:06

just come up with an answer before i look up answer here xD anyway thanks for the answer same as mine :) stackblitz.com/edit/…

– Kevin Daniel
Nov 20 '18 at 6:29

Simplest approach +1

– Pardeep Jain
Nov 20 '18 at 6:06

just come up with an answer before i look up answer here xD anyway thanks for the answer same as mine :) stackblitz.com/edit/…

– Kevin Daniel
Nov 20 '18 at 6:29

add a comment |

use {{box.value.length}}

import { Component } from '@angular/core';

@Component({

  selector: 'app-loop-back',

  template: `

    <input #box (keyup)="0">

    <p>{{box.value}}</p>

    <p>{{box.value.length}}</p>

  `

})

export class LoopbackComponent { }

answered Nov 20 '18 at 5:19

Krishna Rathore

3,6592618

add a comment |

use {{box.value.length}}

import { Component } from '@angular/core';

@Component({

  selector: 'app-loop-back',

  template: `

    <input #box (keyup)="0">

    <p>{{box.value}}</p>

    <p>{{box.value.length}}</p>

  `

})

export class LoopbackComponent { }

answered Nov 20 '18 at 5:19

Krishna Rathore

3,6592618

add a comment |

use {{box.value.length}}

import { Component } from '@angular/core';

@Component({

  selector: 'app-loop-back',

  template: `

    <input #box (keyup)="0">

    <p>{{box.value}}</p>

    <p>{{box.value.length}}</p>

  `

})

export class LoopbackComponent { }

answered Nov 20 '18 at 5:19

Krishna Rathore

3,6592618

use {{box.value.length}}

import { Component } from '@angular/core';

@Component({

  selector: 'app-loop-back',

  template: `

    <input #box (keyup)="0">

    <p>{{box.value}}</p>

    <p>{{box.value.length}}</p>

  `

})

export class LoopbackComponent { }

answered Nov 20 '18 at 5:19

Krishna Rathore

3,6592618

answered Nov 20 '18 at 5:19

Krishna Rathore

3,6592618

answered Nov 20 '18 at 5:19

Krishna Rathore

3,6592618

answered Nov 20 '18 at 5:19

Krishna Rathore

3,6592618

add a comment |

Using 2-way binding you can bind to box and it will automatically update with changes. You do not need to use a (keyup) event handler here:

template: `

    <input [(ngModel)]="box">

    <p>{{box.length}}</p>

  `

In your module import the FormsModule from here:

import { FormsModule } from '@angular/forms';

And that will allow you to use ngModel. [( )] turns on 2-way binding meaning that the display and value will automatically stay in sync without any extra logic.

answered Nov 20 '18 at 5:24

JBoothUA

845425

add a comment |

Using 2-way binding you can bind to box and it will automatically update with changes. You do not need to use a (keyup) event handler here:

template: `

    <input [(ngModel)]="box">

    <p>{{box.length}}</p>

  `

In your module import the FormsModule from here:

import { FormsModule } from '@angular/forms';

And that will allow you to use ngModel. [( )] turns on 2-way binding meaning that the display and value will automatically stay in sync without any extra logic.

answered Nov 20 '18 at 5:24

JBoothUA

845425

add a comment |

Using 2-way binding you can bind to box and it will automatically update with changes. You do not need to use a (keyup) event handler here:

template: `

    <input [(ngModel)]="box">

    <p>{{box.length}}</p>

  `

In your module import the FormsModule from here:

import { FormsModule } from '@angular/forms';

And that will allow you to use ngModel. [( )] turns on 2-way binding meaning that the display and value will automatically stay in sync without any extra logic.

answered Nov 20 '18 at 5:24

JBoothUA

845425

Using 2-way binding you can bind to box and it will automatically update with changes. You do not need to use a (keyup) event handler here:

template: `

    <input [(ngModel)]="box">

    <p>{{box.length}}</p>

  `

In your module import the FormsModule from here:

import { FormsModule } from '@angular/forms';

And that will allow you to use ngModel. [( )] turns on 2-way binding meaning that the display and value will automatically stay in sync without any extra logic.

answered Nov 20 '18 at 5:24

JBoothUA

845425

answered Nov 20 '18 at 5:24

JBoothUA

845425

answered Nov 20 '18 at 5:24

JBoothUA

845425

answered Nov 20 '18 at 5:24

JBoothUA

845425

add a comment |

You can also use the below method :

import { Component } from '@angular/core';

@Component({

  selector: 'app-loop-back',

  template: `

    <input #box (keyup)="onKeyUp(box)">

    <p>{{box.value}}</p>

  `

})

export class LoopbackComponent { 



  onKeyUp(boxInput : HTMLInputElement){

    let length = boxInput.value.length ; //this will have the length of the text entered in the input box

    console.log(length);

  }

}

answered Nov 20 '18 at 5:35

CruelEngine

9891919

add a comment |

You can also use the below method :

import { Component } from '@angular/core';

@Component({

  selector: 'app-loop-back',

  template: `

    <input #box (keyup)="onKeyUp(box)">

    <p>{{box.value}}</p>

  `

})

export class LoopbackComponent { 



  onKeyUp(boxInput : HTMLInputElement){

    let length = boxInput.value.length ; //this will have the length of the text entered in the input box

    console.log(length);

  }

}

answered Nov 20 '18 at 5:35

CruelEngine

9891919

add a comment |

You can also use the below method :

import { Component } from '@angular/core';

@Component({

  selector: 'app-loop-back',

  template: `

    <input #box (keyup)="onKeyUp(box)">

    <p>{{box.value}}</p>

  `

})

export class LoopbackComponent { 



  onKeyUp(boxInput : HTMLInputElement){

    let length = boxInput.value.length ; //this will have the length of the text entered in the input box

    console.log(length);

  }

}

answered Nov 20 '18 at 5:35

CruelEngine

9891919

You can also use the below method :

import { Component } from '@angular/core';

@Component({

  selector: 'app-loop-back',

  template: `

    <input #box (keyup)="onKeyUp(box)">

    <p>{{box.value}}</p>

  `

})

export class LoopbackComponent { 



  onKeyUp(boxInput : HTMLInputElement){

    let length = boxInput.value.length ; //this will have the length of the text entered in the input box

    console.log(length);

  }

}

answered Nov 20 '18 at 5:35

CruelEngine

9891919

answered Nov 20 '18 at 5:35

CruelEngine

9891919

answered Nov 20 '18 at 5:35

CruelEngine

9891919

answered Nov 20 '18 at 5:35

CruelEngine

9891919

add a comment |

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