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dbot/snippets.js
2011-08-24 16:15:42 +01:00

67 lines
1.3 KiB
JavaScript

/*** Array ***/
Array.prototype.random = function() {
return this[Math.floor((Math.random()*this.length))];
};
Array.prototype.each = function(fun) {
for(var i=0;i<this.length;i++) {
fun(this[i]);
}
};
Array.prototype.collect = function(fun) {
var collect = [];
for(var i=0;i<this.length;i++) {
collect.push(fun(this[i]));
}
return collect;
};
Array.prototype.include = function(value) {
for(var i=0;i<this.length;i++) {
if(this[i] == value) {
return true;
}
}
return false;
};
/*** String ***/
String.prototype.endsWith = function(needle) {
var end = this.slice(this.length - needle.length);
if(needle === end) {
return true;
} else {
return false;
}
};
String.prototype.startsWith = function(needle) {
var start = this.slice(0, needle.length);
if(needle === start) {
return true;
} else {
return false;
}
};
/*** Object ***/
Object.prototype.isFunction = function(obj) {
if(typeof(obj) == 'function') {
return true;
} else {
return false;
}
};
Object.prototype.isArray = function(obj) {
if(Object.prototype.toString.call(obj) === '[object Array]') {
return true;
} else {
return false;
}
};