List of utility methods to do Array Value
iReduce(handler, initialValue)var ary = [0,1,2,3,4,5,6,7,8,9]; var initialValue; Array.prototype.iReduce = function(handler, initialValue) { if (typeof handler !== 'function') { throw new Error(handler + 'is not a function!'); var ary = this; var i = 0; var tempCurrent = initialValue; ... | |
makeArray(value){Array.makeArray = function(value){ if ( !value ) return []; if ( typeof value == "string" ) return [value]; return Array.prototype.slice.call(value, 0); }; | |
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; ... | |
oneValue()Array.prototype.oneValue = function() var max = this[0]; for(el in this) if(this[el] !== max && !isNaN(this[el])) return false; return true; }; | |
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; ... | |
plumRemove(elemVal)Array.prototype.plumRemove = function(elemVal){ var i = this.indexOf(elemVal); if(i>-1){ this.splice(i, 1); }; | |
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){ ... | |
resize(newSize, defaultValue = 0)Array.prototype.resize = Array.prototype.resize || function(newSize, defaultValue = 0) { while (newSize > this.length) { this.push(defaultValue); this.length = newSize; }; | |
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; }; | |
superJoin(value)isNullOrEmpty=function(obj) { if (obj == undefined || obj == null || obj == "") { return true; else { return false; Array.prototype.superJoin=function(value){ ... |