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Added fix js file for adding support for ECMA262-5 Array methods for browsers that don\'t support them

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John Martin 2012-10-02 14:20:32 +01:00
parent 1d931b9239
commit 1e4a2760f9
2 changed files with 68 additions and 0 deletions
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1
_includes/recline-deps.html
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@ -42,6 +42,7 @@
-->
<!-- model and backends -->
<script type="text/javascript" src="{{page.root}}src/ecma-fixes.js"></script>
<script type="text/javascript" src="{{page.root}}src/model.js"></script>
<script type="text/javascript" src="{{page.root}}src/backend.memory.js"></script>
<script type="text/javascript" src="{{page.root}}src/backend.dataproxy.js"></script>

67
src/ecma-fixes.js Normal file
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@ -0,0 +1,67 @@
// This file adds in full array method support in browsers that don't support it
// see: http://stackoverflow.com/questions/2790001/fixing-javascript-array-functions-in-internet-explorer-indexof-foreach-etc
// 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;
};
}