js规范数字,将小数点后面不足两位数的数字补0

trance(val) {
      val = val.toLocaleString()
      if (val.indexOf('.') === -1) {
        val = val + '.00'
      } else if (val.split('.').pop().length < 2) {
        val = val + '0'
      }
      return val
    },

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转载自blog.csdn.net/qq_39210364/article/details/142858136