相关疑难解决方法(0)

function testingFunc(value) {
  var temp = value;
  console.log("temp before:    " + JSON.stringify(temp));
  console.log("arrayTest before:    " + JSON.stringify(arrayTest));
  temp.unshift(123);
  console.log("temp after unshift:    " + JSON.stringify(temp));
  console.log("arrayTest after unshift:    " + JSON.stringify(arrayTest));
  temp.push(456);
  console.log("temp after push:    " + JSON.stringify(temp));
  console.log("arrayTest after push:    " + JSON.stringify(arrayTest));
  temp.shift();
  console.log("temp after shift:    " + JSON.stringify(temp));
  console.log("arrayTest after shift:    " + JSON.stringify(arrayTest));
  temp.pop();
  console.log("temp after pop:    " + JSON.stringify(temp));
  console.log("arrayTest after pop:    " + JSON.stringify(arrayTest));
  return temp;
}

var arrayTest = [1,2,3,4,5];
var arrayTestTwo;

arrayTestTwo …