vuejs disable button depending array length












0














I am trying to disable/enable a button depending of an array length and so, my code is the following:



  <button class="submit-button"
type="button"
v-on:click="DoSomething()"
:disabled="array.length > 0">Submit</button>


Although, this doesn't work and as response I have the warning:



array.length > 0 is not a valid value of attribute 'disabled'



Is there any different syntax to enable/disable a button regarding an array length?



Any help is welcome










share|improve this question
























  • length starts from 1.
    – Bhojendra Rauniyar
    Nov 21 '18 at 13:12






  • 3




    @BhojendraRauniyar wow insightful comment :P
    – Badgy
    Nov 21 '18 at 13:23






  • 1




    The problem is not in your code sample, using your code sample works fine. Here is a Fiddle https://jsfiddle.net/koLjsux6/ with your Code Sample. Please include other relevant code for us.
    – Badgy
    Nov 21 '18 at 13:29






  • 1




    @BhojendraRauniyar Ahhh wait im dumb now I get what you mean, yes the length will always be greater than 0 but if you say it like that ´>` is as NOT VALID as >=
    – Badgy
    Nov 21 '18 at 13:39






  • 1




    The mistake isn't related to your button element. I copy/pasted your code into a fresh vue app and it's working without errors: codesandbox.io/s/qlm75pj61q Seems like the v-bind directive :disabled isn't receiving the value it's supposed to receive (true, false, null, undefined, defined...). You should print out the expression "array.length > 0" to see what it results in, the error must be located in there somewhere.
    – van-koelljor
    Nov 21 '18 at 14:05
















0














I am trying to disable/enable a button depending of an array length and so, my code is the following:



  <button class="submit-button"
type="button"
v-on:click="DoSomething()"
:disabled="array.length > 0">Submit</button>


Although, this doesn't work and as response I have the warning:



array.length > 0 is not a valid value of attribute 'disabled'



Is there any different syntax to enable/disable a button regarding an array length?



Any help is welcome










share|improve this question
























  • length starts from 1.
    – Bhojendra Rauniyar
    Nov 21 '18 at 13:12






  • 3




    @BhojendraRauniyar wow insightful comment :P
    – Badgy
    Nov 21 '18 at 13:23






  • 1




    The problem is not in your code sample, using your code sample works fine. Here is a Fiddle https://jsfiddle.net/koLjsux6/ with your Code Sample. Please include other relevant code for us.
    – Badgy
    Nov 21 '18 at 13:29






  • 1




    @BhojendraRauniyar Ahhh wait im dumb now I get what you mean, yes the length will always be greater than 0 but if you say it like that ´>` is as NOT VALID as >=
    – Badgy
    Nov 21 '18 at 13:39






  • 1




    The mistake isn't related to your button element. I copy/pasted your code into a fresh vue app and it's working without errors: codesandbox.io/s/qlm75pj61q Seems like the v-bind directive :disabled isn't receiving the value it's supposed to receive (true, false, null, undefined, defined...). You should print out the expression "array.length > 0" to see what it results in, the error must be located in there somewhere.
    – van-koelljor
    Nov 21 '18 at 14:05














0












0








0







I am trying to disable/enable a button depending of an array length and so, my code is the following:



  <button class="submit-button"
type="button"
v-on:click="DoSomething()"
:disabled="array.length > 0">Submit</button>


Although, this doesn't work and as response I have the warning:



array.length > 0 is not a valid value of attribute 'disabled'



Is there any different syntax to enable/disable a button regarding an array length?



Any help is welcome










share|improve this question















I am trying to disable/enable a button depending of an array length and so, my code is the following:



  <button class="submit-button"
type="button"
v-on:click="DoSomething()"
:disabled="array.length > 0">Submit</button>


Although, this doesn't work and as response I have the warning:



array.length > 0 is not a valid value of attribute 'disabled'



Is there any different syntax to enable/disable a button regarding an array length?



Any help is welcome







vue.js vue-component






share|improve this question















share|improve this question













share|improve this question




share|improve this question








edited Nov 22 '18 at 6:44

























asked Nov 21 '18 at 13:10









George George

777




777












  • length starts from 1.
    – Bhojendra Rauniyar
    Nov 21 '18 at 13:12






  • 3




    @BhojendraRauniyar wow insightful comment :P
    – Badgy
    Nov 21 '18 at 13:23






  • 1




    The problem is not in your code sample, using your code sample works fine. Here is a Fiddle https://jsfiddle.net/koLjsux6/ with your Code Sample. Please include other relevant code for us.
    – Badgy
    Nov 21 '18 at 13:29






  • 1




    @BhojendraRauniyar Ahhh wait im dumb now I get what you mean, yes the length will always be greater than 0 but if you say it like that ´>` is as NOT VALID as >=
    – Badgy
    Nov 21 '18 at 13:39






  • 1




    The mistake isn't related to your button element. I copy/pasted your code into a fresh vue app and it's working without errors: codesandbox.io/s/qlm75pj61q Seems like the v-bind directive :disabled isn't receiving the value it's supposed to receive (true, false, null, undefined, defined...). You should print out the expression "array.length > 0" to see what it results in, the error must be located in there somewhere.
    – van-koelljor
    Nov 21 '18 at 14:05


















  • length starts from 1.
    – Bhojendra Rauniyar
    Nov 21 '18 at 13:12






  • 3




    @BhojendraRauniyar wow insightful comment :P
    – Badgy
    Nov 21 '18 at 13:23






  • 1




    The problem is not in your code sample, using your code sample works fine. Here is a Fiddle https://jsfiddle.net/koLjsux6/ with your Code Sample. Please include other relevant code for us.
    – Badgy
    Nov 21 '18 at 13:29






  • 1




    @BhojendraRauniyar Ahhh wait im dumb now I get what you mean, yes the length will always be greater than 0 but if you say it like that ´>` is as NOT VALID as >=
    – Badgy
    Nov 21 '18 at 13:39






  • 1




    The mistake isn't related to your button element. I copy/pasted your code into a fresh vue app and it's working without errors: codesandbox.io/s/qlm75pj61q Seems like the v-bind directive :disabled isn't receiving the value it's supposed to receive (true, false, null, undefined, defined...). You should print out the expression "array.length > 0" to see what it results in, the error must be located in there somewhere.
    – van-koelljor
    Nov 21 '18 at 14:05
















length starts from 1.
– Bhojendra Rauniyar
Nov 21 '18 at 13:12




length starts from 1.
– Bhojendra Rauniyar
Nov 21 '18 at 13:12




3




3




@BhojendraRauniyar wow insightful comment :P
– Badgy
Nov 21 '18 at 13:23




@BhojendraRauniyar wow insightful comment :P
– Badgy
Nov 21 '18 at 13:23




1




1




The problem is not in your code sample, using your code sample works fine. Here is a Fiddle https://jsfiddle.net/koLjsux6/ with your Code Sample. Please include other relevant code for us.
– Badgy
Nov 21 '18 at 13:29




The problem is not in your code sample, using your code sample works fine. Here is a Fiddle https://jsfiddle.net/koLjsux6/ with your Code Sample. Please include other relevant code for us.
– Badgy
Nov 21 '18 at 13:29




1




1




@BhojendraRauniyar Ahhh wait im dumb now I get what you mean, yes the length will always be greater than 0 but if you say it like that ´>` is as NOT VALID as >=
– Badgy
Nov 21 '18 at 13:39




@BhojendraRauniyar Ahhh wait im dumb now I get what you mean, yes the length will always be greater than 0 but if you say it like that ´>` is as NOT VALID as >=
– Badgy
Nov 21 '18 at 13:39




1




1




The mistake isn't related to your button element. I copy/pasted your code into a fresh vue app and it's working without errors: codesandbox.io/s/qlm75pj61q Seems like the v-bind directive :disabled isn't receiving the value it's supposed to receive (true, false, null, undefined, defined...). You should print out the expression "array.length > 0" to see what it results in, the error must be located in there somewhere.
– van-koelljor
Nov 21 '18 at 14:05




The mistake isn't related to your button element. I copy/pasted your code into a fresh vue app and it's working without errors: codesandbox.io/s/qlm75pj61q Seems like the v-bind directive :disabled isn't receiving the value it's supposed to receive (true, false, null, undefined, defined...). You should print out the expression "array.length > 0" to see what it results in, the error must be located in there somewhere.
– van-koelljor
Nov 21 '18 at 14:05

















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