Jassif Team Institution

<template>
  <h2>Example v-for Directive</h2>
  <p>Using the v-for directive to create a list of mammals, and the index of each mammal, based on an array.</p>
  <ul>
    <li v-for="(x, index) in animals">On index {{ index }}: "{{ x }}"</li>
  </ul>
</template>

<script>
export default {
  data() {
    return {
      animals: ['Tiger','Zebra','Wolf','Crocodile','Seal']
    };
  }
};
</script>

<template>
  <h2>Example v-for Directive</h2>
  <p>Using the v-for directive on an Object to create a list of the object properties and the respective property values.</p>
  <ul>
    <li v-for="(x, key) in animal">(Property name: value) = ({{ key }}: {{ x }})</li>
  </ul>
</template>

<script>
export default {
  data() {
    return {
      animal: {
        name: 'Lion',
        heightCM: 110,
        weightKG: 150
      }
    };
  }
};
</script>

<template>
  <h2>Example v-for Directive</h2>
  <p>Using the v-for directive with number to render a list with that number of elements.</p>
  <ul>
    <li v-for="(x, index) in 10">Item: {{ x }}, index: {{ index }}</li>
  </ul>
</template>

<template>
  <h2>Example v-for Directive</h2>
  <p>Using the v-for directive to loop through the characters in a string.</p>
  <ul>
    <li v-for="(x, index) in 'Ice cream'">Item: "{{ x }}", index: {{ index }}</li>
  </ul>
</template>

<template>
  <h2>Example v-for Directive</h2>
  <p>Using the v-for directive to render a list, based on an object created with the Iterable Protocol.</p>
  <ul>
    <li v-for="value in iterableObject">{{ value }}</li>
  </ul>
</template>

<script>
export default {
  data() {
    return {
      iterableObject: this.createIterable(['City', 'Park', 'River'])
    };
  },
  methods: {
    createIterable(array) {
      let currentIndex = -1;
      return {
        [Symbol.iterator]: function () {
          return {
            next: () => {
              if (currentIndex < array.length - 1) {
                currentIndex++;
                return { value: array[currentIndex], done: false };
              } else {
                return { done: true };
              }
            }
          };
        }
      };
    }
  }
};
</script>

<template>
  <h2>Example v-for Directive</h2>
  <p>Using the v-for directive with 'v-bind:key' to render DIV elements, based on a string of characters.</p>
  <div id="wrapper">
    <div v-for="x in text" v-bind:key="x">{{ x }}</div>
  </div>
</template>

<script>
export default {
  data() {
    return {
      text: 'I love ice cream.'
    };
  }
};
</script>

<style>
#wrapper {
  display: flex;
  flex-wrap: wrap;
  width: 280px;
}
#wrapper > div {
  margin: 5px;
  padding: 5px 10px;
  border: solid black 1px;
  background-color: lightgreen;
}
</style>