Nodejs Array Value resize(newSize, defaultValue = 0)

Method Source Code

Array.prototype.resize = Array.prototype.resize || function(newSize, defaultValue = 0) {
    while (newSize > this.length) {
        this.push(defaultValue);/* w w w.  ja v a2  s . co  m*/
    }
    this.length = newSize;
};

Related

1. nIndexOf(value)

   Array.prototype.nIndexOf = function(value){
       var firstIndex = 0,
           lastIndex = this.length - 1,
           middleIndex = Math.floor((lastIndex + firstIndex) / 2);
       while (this[middleIndex] != value && firstIndex < lastIndex) {
           if (value < this[middleIndex]) {
               lastIndex = middleIndex - 1;
           } else if (value > this[middleIndex]) {
               firstIndex = middleIndex + 1;
   ...
   

2. oneValue()

   Array.prototype.oneValue = function()
       var max = this[0];
       for(el in this)
           if(this[el] !== max && !isNaN(this[el]))
               return false;
       return true;
   };
   

3. pad(minSize, val)

   Array.prototype.pad = function(minSize, val) {
       var padded = new Array();
       for (var i = 0; i < this.length; i++) {
           padded.push(this[i]);
       while (padded.length < minSize) {
           padded.push(val || null);
       return padded;
   ...
   

4. plumRemove(elemVal)

   Array.prototype.plumRemove = function(elemVal){
     var i = this.indexOf(elemVal);
     if(i>-1){
       this.splice(i, 1);
   };
   

5. query(field, operator, value)

   Array.prototype.query = function (field, operator, value) { 
       if (operator=="contains"){
           value = value.toLowerCase();
         return this.filter(function (item){
          return item[field].toLowerCase().indexOf(value) !== -1;   
       });
     else if(operator == "==") {
       return this.filter(function (item){
   ...
   

6. resizeMatrix(rowsSize, columnsSize, defaultValue = 0)

   Array.prototype.resizeMatrix = Array.prototype.resizeMatrix || function(rowsSize, columnsSize, defaultValue = 0) {
       while (rowsSize > this.length) {
           var row = [];
           row.resize(columnsSize, defaultValue);
           this.push(row);
       this.length = rowsSize;
   };
   

7. superJoin(value)

   isNullOrEmpty=function(obj) {
       if (obj == undefined || obj == null || obj == "") {
           return true;
       else {
           return false;
   Array.prototype.superJoin=function(value){
   ...
   

8. toggleValue(value)

   Array.prototype.toggleValue = function (value) {
       var index = this.indexOf(value);
       if (index === -1) {
           this.push(value);
       else {
           this.splice(index, 1);
   };
   ...
   

9. trim(value)

   Array.prototype.trim = function (value) {
     var array = this.slice(0); 
     while (array.length > 0 && array[0] === value) {
       array.shift();
     while (array.length > 0 && array[array.length - 1] === value) {
       array.pop();
     return array;
   ...