微信小程序 如何在js界面中把 out3中的数值赋给out10

如何在js界面中在计算前把 out3中的数值赋给out10

Page({

  data: {
    OUT1: '',
    OUT2: '',
    OUT3: 0 ,
    OUT4: '',
    OUT5: 0 ,
    OUT6: 0 ,
    OUT7: 0 ,
    OUT9: '',
    OUT10: '',
    OUT8: '',
   result:'',

    flag: true
  },

  input1: function(e) {
    var input = e.detail.value;
    this.setData({
      OUT1: input
    });
  },
  input2: function(e) {
    var input = e.detail.value;
    if(!isNaN(input)) {
      this.setData({
        OUT2: input
      });
    }
  },

  input3: function (e) {
    console.log(e);
    var input = e.detail.value;
    if (!isNaN(input)) {
      this.setData({
        OUT3: input
      });
    }
  },

  input4: function (e) {
    console.log(e);
    var input = e.detail.value;
    if (!isNaN(input)) {
      this.setData({
        OUT5: input
      });
    }
  },

  input5: function (e) {
    console.log(e);
    var input = e.detail.value;
    if (!isNaN(input)) {
      this.setData({
        OUT6: input
      });
    }
  },

  input6: function (e) {
    console.log(e);
    var input = e.detail.value;
    if (!isNaN(input)) {
      this.setData({
        OUT7: input
      });
    }
  },

  input7: function (e) {
    console.log(e);
    var input = e.detail.value;
    if (!isNaN(input)) {
      this.setData({
        OUT8: input
      });
    }
  },

 
   




  test: function() {

   
 
    if(this.data.OUT1=='') {
      return;
     }

     else if (this.data.OUT2=1)
      var result = (0.3447*this.data.OUT1*this.data.OUT9*this.data.OUT8)/9.81;
   
     // 铝
     else if (this.data.OUT2=2)
     var result = (0.1724*this.data.OUT1*this.data.OUT10*this.data.OUT8)/9.81;

     //钢
     else if (this.data.OUT2=3)
     var result = (0.5171*this.data.OUT1*this.data.OUT10*this.data.OUT8)/9.81;
    
     //铜
     else if (this.OUT2=4)
     var result = (0.2413*this.data.OUT1*this.data.OUT10*this.data.OUT8)/9.81;
    

     console.log(result);

     this.setData({
      OUT4: result,
      flag: false
     });
  }
  
})