Compare the differences between elements in two strings (character 1, character 2, delimiter optional)
File: diff.js
// Example usage/*var str1 = "tie, mao, 55";var str2 = "tie, mao, csdn";var result = diff(str1, str2, ','); // Object var rs = "" + result; // " 55, csdn"var df1 = result.diff1; // [" 55"]var df2 = result.diff2; // [" csdn"]*/// Compare the differences between elements in two strings (character 1, character 2, separator){//str1 = str1 || "";str2 = str2 || "";separator = separator || ",";// There is an ele element in arr function hasElement(arr, ele){// Memory loop var hasItem1 = false;for(var i2=0; i2 < arr.length; i2++){//var item2 = arr[i2] || "";if(!item2){continue;}//if(ele == item2){hasItem1 = true;break;}}return hasItem1;};function inAnotB(a, b){ // In A, not in B var res = [];for(var i1=0; i1 < a.length; i1++){var item1 = a[i1] || "";if(!item1){continue;}var hasItem1 = hasElement(b, item1);if(!hasItem1){res.push(item1);}}return res;};//var list1 = str1.split(",");var list2 = str2.split(",");//var diff1 = inAnotB(list1, list2);var diff2 = inAnotB(list2, list1);// Return the result var result = {diff1 : diff1,diff2 : diff2,separator : separator,toString : function(){//var res = this["diff1"].slice(0);res = res.concat(this["diff2"]);//return res.join(this["separator"]);}};//return result;};Please use it as needed. I used to compare which tables exported in 2 Oracle databases have not been imported successfully.