oleg
/
alpine
-ын хуулбар https://github.com/alpinejs/alpine.git


			
				
					
						
						
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							<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="utf-8" />
    <title>Alpine-3-keyed</title>
    <link href="/css/currentStyle.css" rel="stylesheet" />
    <script src="http://alpine-next.test/packages/alpinejs/dist/cdn.js" defer></script>
    <!-- <script src="https://cdn.jsdelivr.net/gh/alpinejs/alpine@v2.x.x/dist/alpine.min.js" defer></script> -->
  </head>
  <body>
    <div class="container" id="main" x-data="{ data: []}">
      <div class="jumbotron">
        <div class="row">
          <div class="col-md-6">
            <h1>Alpine-3-keyed</h1>
          </div>
          <div class="col-md-6">
            <div class="row">
              <div class="col-sm-6 smallpad">
                <button
                  type="button"
                  class="btn btn-primary btn-block"
                  id="run"
                  @click="run"
                >
                  Create 1,000 rows
                </button>
              </div>
              <div class="col-sm-6 smallpad">
                <button
                  type="button"
                  class="btn btn-primary btn-block"
                  id="runlots"
                  @click="runLots"
                >
                  Create 10,000 rows
                </button>
              </div>
              <div class="col-sm-6 smallpad">
                <button
                  type="button"
                  class="btn btn-primary btn-block"
                  id="add"
                  @click="add"
                >
                  Append 1,000 rows
                </button>
              </div>
              <div class="col-sm-6 smallpad">
                <button
                  type="button"
                  class="btn btn-primary btn-block"
                  id="update"
                  @click="update"
                >
                  Update every 10th row
                </button>
              </div>
              <div class="col-sm-6 smallpad">
                <button
                  type="button"
                  class="btn btn-primary btn-block"
                  id="clear"
                  @click="clear"
                >
                  Clear
                </button>
              </div>
              <div class="col-sm-6 smallpad">
                <button
                  type="button"
                  class="btn btn-primary btn-block"
                  id="swaprows"
                  @click="swapRows"
                >
                  Swap Rows
                </button>
              </div>
            </div>
          </div>
        </div>
      </div>
      <table class="table table-hover table-striped test-data">
        <tbody>
          <template x-for="item in data" :key="item.id">
            <tr :class="item.id === selected ? 'danger' : ''">
              <td class="col-md-1" x-text="item.id"></td>
              <td class="col-md-4">
                <a @click="select(item.id)" x-text="item.label"></a>
              </td>
              <td class="col-md-1">
                <a @click="remove(item.id)" >x</a>
              </td>
              <td class="col-md-6"></td>
            </tr>
          </template>
        </tbody>
      </table>

      <span
        class="preloadicon glyphicon glyphicon-remove"
        aria-hidden="true"
      ></span>
    </div>

    <script>
            let idCounter = 1;
            const adjectives = ["pretty", "large", "big", "small", "tall", "short", "long", "handsome", "plain", "quaint", "clean", "elegant", "easy", "angry", "crazy", "helpful", "mushy", "odd", "unsightly", "adorable", "important", "inexpensive", "cheap", "expensive", "fancy"],
            colours = ["red", "yellow", "blue", "green", "pink", "brown", "purple", "brown", "white", "black", "orange"],
            nouns = ["table", "chair", "house", "bbq", "desk", "car", "pony", "cookie", "sandwich", "burger", "pizza", "mouse", "keyboard"];

            function _random (max) { return Math.round(Math.random() * 1000) % max; };

            function buildData(count) {
            let data = new Array(count);
            for (let i = 0; i < count; i++) {
                data[i] = {
                id: idCounter++,
                label: `${adjectives[_random(adjectives.length)]} ${colours[_random(colours.length)]} ${nouns[_random(nouns.length)]}`
                }
            }
            return data;
            }

            function app() {
                return {
                    data: [],
                    selected: undefined,

                    add() {
                        let start = performance.now()
                        this.data = this.data.concat(buildData(1000))
                        setTimeout(() => {
                            console.log(performance.now() - start);
                        }, 0)
                    },
                    clear() {
                        let start = performance.now()
                        this.data = [];
                        this.selected = undefined;
                        setTimeout(() => {
                            console.log(performance.now() - start);
                        }, 0)
                    },
                    update() {
                        let start = performance.now()
                        for (let i = 0; i < this.data.length; i += 10) {
                            this.data[i].label += ' !!!';
                        }
                        setTimeout(() => {
                            console.log(performance.now() - start);
                        }, 0)
                    },
                    remove(id) {
                        let start = performance.now()
                        const idx = this.data.findIndex(d => d.id === id);
                        this.data.splice(idx, 1);
                        setTimeout(() => {
                            console.log(performance.now() - start);
                        }, 0)
                    },
                    run() {
                        let start = performance.now()
                        this.data = buildData(100);
                        this.selected = undefined;
                        setTimeout(() => {
                            console.log(performance.now() - start);
                        }, 0)
                    },
                    runLots() {
                        let start = performance.now()
                        this.data = buildData(10000);
                        this.selected = undefined;
                        setTimeout(() => {
                            console.log(performance.now() - start);
                        }, 0)
                    },
                    select(id) {
                        let start = performance.now()
                        this.selected = id
                        setTimeout(() => {
                            console.log(performance.now() - start);
                        }, 0)
                    },
                    swapRows() {
                        let start = performance.now()
                        const d = this.data;
                        if (d.length > 998) {
                            const tmp = d[998];
                            d[998] = d[1];
                            d[1] = tmp;
                        }
                        setTimeout(() => {
                            console.log(performance.now() - start);
                        }, 0)
                    }
                }
            }
    </script>
  </body>
</html>