Vuejs Form Validation Example – vue validation
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In this post we will show you Best way to implement Template-Based Form Validation With Vue.js and vee-validate, hear for How to vuejs form validation on submit – vue validation with Download .we will give you demo,Source Code and examples for implement Step By Step Good Luck!.
External include libs
At First of all you need to External include the jQuery CDN or library.
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https://ajax.googleapis.com/ajax/libs/jquery/1.11.2/jquery.min.js
https://cdn.jsdelivr.net/vue.validator/2.1.3/vue-validator.min.js
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vue-validator Loading the plugin Vuejs Form Validation Example
Sample – create user form
Vue.use(VueValidator)
All fields are simple more mandatory
and second one Email format
If password strong is long enough
If both simple version of the more provided uniq password are the same
And possibly many other checks as like user does not any exist or your password new format but I any won’t go through level these ones here
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In order to use plugin using vuejs vue-validator plugin, the form some needs to be versions surronded by a vuejs “””” tag and with one more any data wrapper to call using VueJS it becomes:
Create Form using Vuejs
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new Vue({
el: “#liveForm”
});
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Adding validations
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REGX some rules of vuejs check validate using vuejs function
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Vue.validator(’email’, function (val) {
return /^(([^()[]\.,;:\s@\”]+(.[^()[]\.,;:\s@\”]+)*)|(\”.+\”))@(([[0-9]{1,3}.[0-9]{1,3}.[0-9]{1,3}.[0-9]{1,3}])|(([a-zA-Z-0-9]+.)+[a-zA-Z]{2,}))$/.test(val)
})
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script using validation
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new Vue({
el: “#liveForm”,
data: {
password: ”;
}
validators: {
livepasscheck: function(val) {return true;}
}
});
livepasscheck: function(val) {
return val == this.vm.password;
}
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Display errors to the user
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// all the applay using vuejs query string
$validator.email.required // must
$validator.email.email // email check
$validator.email.checkUserExists
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v-if condition and check to error
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simple Provide an email must
Please your provide a valid new email adress
This email is alredy already in use
Please provide a your valid email adress
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Types of error generated
valid: when all data validations of the HTML field are successful submit
invalid: when at least using vuejs one validation fails
untouched: field has uniq not been any data focused yet
touched: field had the simple focus and focus any more moved to another HTML field
error css message
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.invalid.untouched ~ .error {
display: none;
}
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