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Shorthands
The v- prefix serves as a visual cue for identifying Vue-specific attributes in your templates. This is useful when you are using Vue.js to apply dynamic behavior to some existing markup, but can feel verbose for some frequently used directives. At the same time, the need for the v- prefix becomes less important when you are building an SPA where Vue.js manages every template. Therefore, Vue.js provides special shorthands for two of the most often used directives, v-bind and v-on:
# v-bind Shorthand
<!-- full syntax --> <a v-bind:href="url"></a> <!-- shorthand --> <a :href="url"></a>
# v-on Shorthand
<!-- full syntax --> <a v-on:click="doSomething"></a> <!-- shorthand --> <a @click="doSomething"></a>
They may look a bit different from normal HTML, but : and @ are valid chars for attribute names and all Vue.js supported browsers can parse it correctly. In addition, they do not appear in the final rendered markup. The shorthand syntax is totally optional, but you will likely appreciate it when you learn more about its usage later.
