vue写的域名提取器

主要的javascript代码

new Vue({
       el: '#app',
       data() {
           return {
               form: {
                   desc: '',
                   descdom: ''
               }
           }
       },
       methods: {
           onSubmit() {
               var array = this.form.desc.split('\n')
               var consequence = []
               for (let index = 0; index < array.length; index++) {
                   // console.log(array[index]);
               //   console.log(this.extract(array[index]));
                   // count(array[index],'.')
                  consequence.push(this.extract(array[index]))
               }
               // console.log(consequence.toString('\n'));
               this.form.descdom = consequence.join('\n')
           },


           extract(price) {
               var dot = price.indexOf(".")
               var newStr = price.substring(dot + 1)
               var record =  this.count(price, '.')
               if (record === 1) {
                   // console.log(price);
                   return (price)
               }
               // console.log(newStr)
               return (newStr)
           },

           count(str, value) {
               let b = str.indexOf(value);
               var num = 0;
               while (b !== -1) {
                   //   console.log("位置:" + b);
                   num++;
                   b = str.indexOf(value, b + 1)
               }
               return (num);
           },
       }
   })