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How to use properties of a Component in vue.js when input text changed?


React to property changes in JSON object using recursive components in Vue.jsVue.js pass data from slot into component instanceVue.js where to store non-component data properties?Vue.Js Multiple inputs with different typesAccessing and filtering child components defined in a Vue.js component's <slot>Vue.js 2 Multiple Properties defined in one Single-File componentvue.js - dynamically generated component in v-for does not update bound property correctlyUse @input or @change on input with value of computed propertyVue child component property does not workProps don't update when input changes in component













0















I'm using Vuesax Framework Components which it's working fine, but my in learning process for both laravel/vue.js and got a problem about how to use properties of component when input text got changed?



Consider this :



<vs-input
style="width:100%"
label="Label"
danger-text="character"
v-model="form.invoice_title"
name="invoice_title"/>


in top code component gonna show me a input text with a red color with text which will tell use what is wrong, but in right idea i should make that red color show when something is wrong with inputs, like `input must be more than 3 Characters'.
Input Component in vuesax



So here's what i wanna do make my input activate/trigger :danger & danger-text properties when something is wrong Like:



inputs must be more than 6 and less than 80 characters.










share|improve this question


























    0















    I'm using Vuesax Framework Components which it's working fine, but my in learning process for both laravel/vue.js and got a problem about how to use properties of component when input text got changed?



    Consider this :



    <vs-input
    style="width:100%"
    label="Label"
    danger-text="character"
    v-model="form.invoice_title"
    name="invoice_title"/>


    in top code component gonna show me a input text with a red color with text which will tell use what is wrong, but in right idea i should make that red color show when something is wrong with inputs, like `input must be more than 3 Characters'.
    Input Component in vuesax



    So here's what i wanna do make my input activate/trigger :danger & danger-text properties when something is wrong Like:



    inputs must be more than 6 and less than 80 characters.










    share|improve this question
























      0












      0








      0








      I'm using Vuesax Framework Components which it's working fine, but my in learning process for both laravel/vue.js and got a problem about how to use properties of component when input text got changed?



      Consider this :



      <vs-input
      style="width:100%"
      label="Label"
      danger-text="character"
      v-model="form.invoice_title"
      name="invoice_title"/>


      in top code component gonna show me a input text with a red color with text which will tell use what is wrong, but in right idea i should make that red color show when something is wrong with inputs, like `input must be more than 3 Characters'.
      Input Component in vuesax



      So here's what i wanna do make my input activate/trigger :danger & danger-text properties when something is wrong Like:



      inputs must be more than 6 and less than 80 characters.










      share|improve this question














      I'm using Vuesax Framework Components which it's working fine, but my in learning process for both laravel/vue.js and got a problem about how to use properties of component when input text got changed?



      Consider this :



      <vs-input
      style="width:100%"
      label="Label"
      danger-text="character"
      v-model="form.invoice_title"
      name="invoice_title"/>


      in top code component gonna show me a input text with a red color with text which will tell use what is wrong, but in right idea i should make that red color show when something is wrong with inputs, like `input must be more than 3 Characters'.
      Input Component in vuesax



      So here's what i wanna do make my input activate/trigger :danger & danger-text properties when something is wrong Like:



      inputs must be more than 6 and less than 80 characters.







      vue.js vuejs2 vue-component






      share|improve this question













      share|improve this question











      share|improve this question




      share|improve this question










      asked Mar 8 at 21:11









      Mohammad EskandariMohammad Eskandari

      4710




      4710






















          1 Answer
          1






          active

          oldest

          votes


















          1














          This can be done via a computed property. eg:



          <vs-input
          style="width:100%"
          label="Label"
          :danger="hasError"
          :danger-text="errorText"
          v-model="form.invoice_title"
          name="invoice_title"/>

          ... // in javascript

          computed()
          hasError()
          return this.form.invoice_title.length < 6
          errorText()
          if (this.form.invoice_title.length < 6)
          return 'Invoice title should be at least 6 characters'

          if (this.form.invoice_title.length > 80)
          return 'Invoice title should be at most 80 characters'

          return ''




          I highly recommend vuelidate lib form managing validation






          share|improve this answer























          • hasError work but errorText won't work. computed method when inputs go wrong it just say errorText

            – Mohammad Eskandari
            Mar 9 at 17:29






          • 1





            note that I used a colon (:) that designates it's a bound property, alias to v-bind:danger-text. If you don't it will just use the variable you give it as text.

            – Andy
            Mar 12 at 21:27











          • oh. i've got it done. thanks mate.

            – Mohammad Eskandari
            Mar 15 at 3:35











          Your Answer






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          1 Answer
          1






          active

          oldest

          votes








          1 Answer
          1






          active

          oldest

          votes









          active

          oldest

          votes






          active

          oldest

          votes









          1














          This can be done via a computed property. eg:



          <vs-input
          style="width:100%"
          label="Label"
          :danger="hasError"
          :danger-text="errorText"
          v-model="form.invoice_title"
          name="invoice_title"/>

          ... // in javascript

          computed()
          hasError()
          return this.form.invoice_title.length < 6
          errorText()
          if (this.form.invoice_title.length < 6)
          return 'Invoice title should be at least 6 characters'

          if (this.form.invoice_title.length > 80)
          return 'Invoice title should be at most 80 characters'

          return ''




          I highly recommend vuelidate lib form managing validation






          share|improve this answer























          • hasError work but errorText won't work. computed method when inputs go wrong it just say errorText

            – Mohammad Eskandari
            Mar 9 at 17:29






          • 1





            note that I used a colon (:) that designates it's a bound property, alias to v-bind:danger-text. If you don't it will just use the variable you give it as text.

            – Andy
            Mar 12 at 21:27











          • oh. i've got it done. thanks mate.

            – Mohammad Eskandari
            Mar 15 at 3:35















          1














          This can be done via a computed property. eg:



          <vs-input
          style="width:100%"
          label="Label"
          :danger="hasError"
          :danger-text="errorText"
          v-model="form.invoice_title"
          name="invoice_title"/>

          ... // in javascript

          computed()
          hasError()
          return this.form.invoice_title.length < 6
          errorText()
          if (this.form.invoice_title.length < 6)
          return 'Invoice title should be at least 6 characters'

          if (this.form.invoice_title.length > 80)
          return 'Invoice title should be at most 80 characters'

          return ''




          I highly recommend vuelidate lib form managing validation






          share|improve this answer























          • hasError work but errorText won't work. computed method when inputs go wrong it just say errorText

            – Mohammad Eskandari
            Mar 9 at 17:29






          • 1





            note that I used a colon (:) that designates it's a bound property, alias to v-bind:danger-text. If you don't it will just use the variable you give it as text.

            – Andy
            Mar 12 at 21:27











          • oh. i've got it done. thanks mate.

            – Mohammad Eskandari
            Mar 15 at 3:35













          1












          1








          1







          This can be done via a computed property. eg:



          <vs-input
          style="width:100%"
          label="Label"
          :danger="hasError"
          :danger-text="errorText"
          v-model="form.invoice_title"
          name="invoice_title"/>

          ... // in javascript

          computed()
          hasError()
          return this.form.invoice_title.length < 6
          errorText()
          if (this.form.invoice_title.length < 6)
          return 'Invoice title should be at least 6 characters'

          if (this.form.invoice_title.length > 80)
          return 'Invoice title should be at most 80 characters'

          return ''




          I highly recommend vuelidate lib form managing validation






          share|improve this answer













          This can be done via a computed property. eg:



          <vs-input
          style="width:100%"
          label="Label"
          :danger="hasError"
          :danger-text="errorText"
          v-model="form.invoice_title"
          name="invoice_title"/>

          ... // in javascript

          computed()
          hasError()
          return this.form.invoice_title.length < 6
          errorText()
          if (this.form.invoice_title.length < 6)
          return 'Invoice title should be at least 6 characters'

          if (this.form.invoice_title.length > 80)
          return 'Invoice title should be at most 80 characters'

          return ''




          I highly recommend vuelidate lib form managing validation







          share|improve this answer












          share|improve this answer



          share|improve this answer










          answered Mar 9 at 7:07









          AndyAndy

          5,38022019




          5,38022019












          • hasError work but errorText won't work. computed method when inputs go wrong it just say errorText

            – Mohammad Eskandari
            Mar 9 at 17:29






          • 1





            note that I used a colon (:) that designates it's a bound property, alias to v-bind:danger-text. If you don't it will just use the variable you give it as text.

            – Andy
            Mar 12 at 21:27











          • oh. i've got it done. thanks mate.

            – Mohammad Eskandari
            Mar 15 at 3:35

















          • hasError work but errorText won't work. computed method when inputs go wrong it just say errorText

            – Mohammad Eskandari
            Mar 9 at 17:29






          • 1





            note that I used a colon (:) that designates it's a bound property, alias to v-bind:danger-text. If you don't it will just use the variable you give it as text.

            – Andy
            Mar 12 at 21:27











          • oh. i've got it done. thanks mate.

            – Mohammad Eskandari
            Mar 15 at 3:35
















          hasError work but errorText won't work. computed method when inputs go wrong it just say errorText

          – Mohammad Eskandari
          Mar 9 at 17:29





          hasError work but errorText won't work. computed method when inputs go wrong it just say errorText

          – Mohammad Eskandari
          Mar 9 at 17:29




          1




          1





          note that I used a colon (:) that designates it's a bound property, alias to v-bind:danger-text. If you don't it will just use the variable you give it as text.

          – Andy
          Mar 12 at 21:27





          note that I used a colon (:) that designates it's a bound property, alias to v-bind:danger-text. If you don't it will just use the variable you give it as text.

          – Andy
          Mar 12 at 21:27













          oh. i've got it done. thanks mate.

          – Mohammad Eskandari
          Mar 15 at 3:35





          oh. i've got it done. thanks mate.

          – Mohammad Eskandari
          Mar 15 at 3:35



















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