v-model with select dropdowns in Vue - Cheat Sheet & Quick Revision

Recall & Review

beginner

What does v-model do when used with a <select> dropdown in Vue?

v-model binds the selected option's value to a Vue data property. When the user picks an option, the data updates automatically, and if the data changes, the selected option updates too.

intermediate

How do you bind multiple selections in a <select multiple> dropdown using v-model?

Use v-model with an array data property. Vue will add or remove values from the array as the user selects or deselects options.

beginner

What type of values does v-model bind from a <select> dropdown?

It binds the value attribute of the selected <option>. If no value is set, it binds the option's text content.

beginner

How can you set a default selected option using v-model with a <select>?

Initialize the data property bound by v-model to the value of the option you want selected by default.

intermediate

Why is it important to use the value attribute on <option> elements when using v-model?

Because v-model binds to the value attribute, setting it explicitly ensures the correct data is bound, especially if option text differs from the value you want to store.

What does v-model bind to in a single-select <select> dropdown?

A The text content of the <code>&lt;select&gt;</code>

B The first option always

C The number of options

D The value of the selected <code>&lt;option&gt;</code>

v-model binds to the value attribute of the selected option.

How do you bind multiple selected options in Vue using v-model?

A Bind to a string data property

B Bind to an array data property

C Bind to a number data property

D Bind to a boolean data property

For multiple selections, v-model must bind to an array to hold all selected values.

What happens if you don't set a value attribute on an <option>?

A The option is ignored

B Vue throws an error

C Vue binds the option's text content instead

D The option is always selected

If no value is set, Vue uses the option's text content as the bound value.

How do you set a default selected option in a <select> with v-model?

A Set the data property to the option's value before rendering

B Add <code>selected</code> attribute to the option

C Use <code>v-bind:selected</code> on the option

D Use <code>v-if</code> on the option

Setting the data property bound by v-model to the desired option's value selects it by default.

Which Vue directive is used to bind the selected value of a dropdown?

A <code>v-model</code>

B <code>v-bind</code>

C <code>v-for</code>

D <code>v-if</code>

v-model binds form inputs like dropdowns to data properties.

Explain how v-model works with a <select> dropdown in Vue. Include how it handles single and multiple selections.

Think about how the selected option and the data property stay in sync.

Describe how to set a default selected option in a Vue <select> dropdown using v-model.

Focus on the data property bound by <code>v-model</code>.