<!DOCTYPE HTML><HTML><HeadLang= "en"> <MetaCharSet= "UTF-8"> <title></title></Head><Body><Script> //finding and averaging all the numbers in a set of numbers/*var arr = [10,20,30,10]; var len = arr.length; var sum = arr[0]; var avg; for (var i =1;i<len;i++) {sum + = Arr[i]; } avg = Sum/len; Console.log (sum+ "/" +len); Console.log (avg);*//*var arr = [11,2,31,1,4,134,1,41,42,131,434]; var sum = arr[0];//Gets the value of the first index to the array var avg; The first value in the for (Var i=1;i<arr.length;i++) {//Factor group has been taken out so that it starts directly from index 1 so i=1; Sum + = arr[i];//of the elements in the array and avg = sum/arr.length;//divided by the length of the array to find the mean Console.log (sum+ "/" +arr.length); Console.log (avg);*/ //find the maximum and minimum values in a set of numbers, and where /*var arr = [1,2,4,5,6]; var max = arr[0];//First takes the value of index 0 and compares it to the following value var Maxindex = 0;//Because Max assigns a value of index 0 to the index defines the maximum worthwhile variable start value is also 0 var min = arr[0];//First FETCH index A value of 0 is then used to compare with the following value var Minindex = 0;//The value index to index 0 is defined as the maximum worthwhile variable start value and 0 for (var i =0;i<arr.length;i++) {//Factor group The first value has been fetched So starting from 1//(maximum) determine when Max value is less than arr[i], assign arr[i] to max index value equals i if (Max<arr[i]) {max = arr[i]; Maxindex = i; }//(minimum value) if (Min>arr[i]) {min = arr[i]; Minindex = i; }}/!* Console.log ("Maximum value" +max); Console.log ("Max index" +maxindex); Console.log (' minimum value ' +min); Console.log (' minimum index ' +minindex); *!/console.log ("maximum" +max); Console.log ("Max index" +maxindex); Console.log ("Minimum Value" +min); Console.log ("minimum Index" +minindex);*/ //to split a string array with a | or other symbol/*var arr = ["Flowing Water", "Dragonfly", "floating clouds"]; var str = arr[0]; var part = ' | '; for (var i =1;i<arr.length;i++) {str+=part+arr[i]; } console.log (str);*//*var arr = [' number ', ' moment is classic ', ' casually ']; var str = arr[0]; var part = '? '; for (var i =1;i<arr.length;i++) {str + = part + arr[i]; } console.log (str);*/ //remove the value of 0 in the array, not 0 in the new array/*var arr = ["My", 0,0,0, "his", 1,2,3,0, "Who's"]; /!* alert (arr); alert (arr.length); *!/var newArr = []; for (Var i=0;i<arr.length;i++) {if (arr[i]!=0) {newarr[newarr.length] = Arr[i]; }} console.log (NEWARR);*//*var arr = ["My", 0,0,0, "his", 1,2,3,0, "Who's"]; var newArr = []; for (Var i=0;i<arr.length;i++) {if (arr[i]!=0) {newarr[newarr.length] = Arr[i]; }} console.log (NEWARR);*/ /*var arr = [1,2,4,23,4,9,5,8,3,0,39,0]; var newArr = []; for (var i =0;i<arr.length;i++) {if (arr[i]!=0) {newarr[newarr.length] = Arr[i]; }} console.log (NEWARR);*/ //flipping an array/*var arr = [1,2,4,23,4,9,5,8,3,0,39,0]; Console.log (arr); var newArr = []; for (var i = arr.length-1;i>=0;i--) {Newarr[newarr.length] = Arr[i]; } console.log (NEWARR);*/ //bubble Sort, small to large /*var arr = [1,2,4,23,4,9,5,8,3,0,39,0]; Console.log (arr); var m = 0; var n = 0; Compare the number of rounds for (Var i=0;i<arr.length-1;i++) {//control the switch after the end of the direct-hop number of switches var onOff = true; The number of times the comparison is cycled, and after each cycle there are elements that are no longer compared so minus I for (var j =0;j<arr.length-1-i;j++) {//Determine when the position is swapped if (Arr[j] >arr[j+1]) {var temp = arr[j];//Save the previous variable arr[j] = arr[j+1]; ARR[J+1] = temp; The default execution continues onOff = false; } n++; } m++; if (ONOFF) {break; }} console.log (arr);*/ vararr= [1,2,345,3, -, About, the, the,990,0];//define an arrayConsole.log (arr); varm= 0;//number of rounds to compare varN= 0;//Number of comparisons //the first cycle controls the number of rounds compared to the second for(varI=0; I<Arr.length-1; I++){ //defines a switch to control the number of comparisons when the judgment is no longer executed when the hop count comparison cycle varOnOff= true; //cycle that defines the number of comparisons for(varJ=0; J<Arr.length-1-i;j++){ //deciding when to place a position swap if(Arr[j]<arr[j+1]){ varTemp=Arr[j]; ARR[J]=arr[j+1]; Arr[j+1] =temp; //switch is false compare continueOnOff= false; } N++;//number of comparisons self-increment} m++;//compare number of rounds self-increment if(ONOFF) { Break; }} console.log ("Number of wheels"+m); Console.log ("number of"+N); Console.log (arr);</Script></Body></HTML>
Array, bubbling sort
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