github/backbone
1
1
Fork 0
mirror of https://github.com/jashkenas/backbone.git synced 2026-04-30 03:00:06 -04:00
Code Issues Packages Projects Releases Wiki Activity

Merge pull request #10 from wyuenho/history-native-hooks

Browse Source 
Create iframe conditional on options and hashchange and pushstate support
This commit is contained in:
Adam Krebs
2014-02-27 08:55:56 +02:00
parent dc6a697779 674f101ad8
commit 16b6f1ee23
1 changed files with 13 additions and 14 deletions
Download Patch File Download Diff File Expand all files Collapse all files

27
backbone.js
View File

@@ -1401,20 +1401,19 @@
// Normalize root to always include a leading and trailing slash.
this.root = ('/' + this.root + '/').replace(rootStripper, '/');
// Proxy an iframe to handle location events on older versions of IE.
try {
// `documentMode` is defined only in IE>=8.
if ((document.documentMode || 0) < 8) {
// In IE<=7 `createElement` will accept html but throws elsewhere.
var frame = document.createElement(
'<iframe src="javascript:0" style="display:none" tabindex="-1">'
);
var body = document.body;
// Using `appendChild` will throw if the document is not ready.
this.iframe = body.insertBefore(frame, body.firstChild).contentWindow;
if (this._wantsHashChange) this.navigate(fragment);
}
} catch(e){}
// Proxy an iframe to handle location events if the browser doesn't
// support the `hashchange` event, HTML5 history, or the user wants
// `hashChange` but not `pushState`.
if (!this._hasHashChange && this._wantsHashChange && (!this._wantsPushState || !this._hasPushState)) {
var iframe = document.createElement('iframe');
iframe.src = 'javascript:0';
iframe.style.display = 'none';
iframe.tabIndex = -1;
var body = document.body;
// Using `appendChild` will throw on IE < 9 if the document is not ready.
this.iframe = body.insertBefore(iframe, body.firstChild).contentWindow;
this.navigate(fragment);
}
// Depending on whether we're using pushState or hashes, and whether
// 'onhashchange' is supported, determine how we check the URL state.