Created
October 29, 2012 15:53
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IE Shim for D3
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var console = console || {log:function(a){return false}}; | |
'use strict'; | |
// Add ECMA262-5 method binding if not supported natively | |
// | |
if (!('bind' in Function.prototype)) { | |
Function.prototype.bind= function(owner) { | |
var that= this; | |
if (arguments.length<=1) { | |
return function() { | |
return that.apply(owner, arguments); | |
}; | |
} else { | |
var args= Array.prototype.slice.call(arguments, 1); | |
return function() { | |
return that.apply(owner, arguments.length===0? args : args.concat(Array.prototype.slice.call(arguments))); | |
}; | |
} | |
}; | |
} | |
// Add ECMA262-5 string trim if not supported natively | |
// | |
if (!('trim' in String.prototype)) { | |
String.prototype.trim= function() { | |
return this.replace(/^\s+/, '').replace(/\s+$/, ''); | |
}; | |
} | |
// Add ECMA262-5 Array methods if not supported natively | |
// | |
if (!('indexOf' in Array.prototype)) { | |
Array.prototype.indexOf= function(find, i /*opt*/) { | |
if (i===undefined) i= 0; | |
if (i<0) i+= this.length; | |
if (i<0) i= 0; | |
for (var n= this.length; i<n; i++) | |
if (i in this && this[i]===find) | |
return i; | |
return -1; | |
}; | |
} | |
if (!('lastIndexOf' in Array.prototype)) { | |
Array.prototype.lastIndexOf= function(find, i /*opt*/) { | |
if (i===undefined) i= this.length-1; | |
if (i<0) i+= this.length; | |
if (i>this.length-1) i= this.length-1; | |
for (i++; i-->0;) /* i++ because from-argument is sadly inclusive */ | |
if (i in this && this[i]===find) | |
return i; | |
return -1; | |
}; | |
} | |
if (!('forEach' in Array.prototype)) { | |
Array.prototype.forEach= function(action, that /*opt*/) { | |
for (var i= 0, n= this.length; i<n; i++) | |
if (i in this) | |
action.call(that, this[i], i, this); | |
}; | |
} | |
if (!('map' in Array.prototype)) { | |
Array.prototype.map= function(mapper, that /*opt*/) { | |
var other= new Array(this.length); | |
for (var i= 0, n= this.length; i<n; i++) | |
if (i in this) | |
other[i]= mapper.call(that, this[i], i, this); | |
return other; | |
}; | |
} | |
if (!('filter' in Array.prototype)) { | |
Array.prototype.filter= function(filter, that /*opt*/) { | |
var other= [], v; | |
for (var i=0, n= this.length; i<n; i++) | |
if (i in this && filter.call(that, v= this[i], i, this)) | |
other.push(v); | |
return other; | |
}; | |
} | |
if (!('every' in Array.prototype)) { | |
Array.prototype.every= function(tester, that /*opt*/) { | |
for (var i= 0, n= this.length; i<n; i++) | |
if (i in this && !tester.call(that, this[i], i, this)) | |
return false; | |
return true; | |
}; | |
} | |
if (!('some' in Array.prototype)) { | |
Array.prototype.some= function(tester, that /*opt*/) { | |
for (var i= 0, n= this.length; i<n; i++) | |
if (i in this && tester.call(that, this[i], i, this)) | |
return true; | |
return false; | |
}; | |
} |
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