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| author | Richard Gibson <richard.gibson@gmail.com> | 2012-09-30 20:54:28 -0400 |
|---|---|---|
| committer | Dave Methvin <dave.methvin@gmail.com> | 2012-09-30 20:54:28 -0400 |
| commit | 22fac5c2e40b00911933040afaf9adcdd2c00ac2 (patch) | |
| tree | 4185db0022a84a22635346724870954b1d50ca94 /src/support.js | |
| parent | f9ef91d6d68dc7317bb12c1ae2a8201f28facff1 (diff) | |
| download | jquery-22fac5c2e40b00911933040afaf9adcdd2c00ac2.tar.gz jquery-22fac5c2e40b00911933040afaf9adcdd2c00ac2.zip | |
Fix #12357: be more kind to non-browser environments. Close gh-938.
Diffstat (limited to 'src/support.js')
| -rw-r--r-- | src/support.js | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/src/support.js b/src/support.js index 68ca91b3a..f998f1270 100644 --- a/src/support.js +++ b/src/support.js @@ -13,24 +13,23 @@ jQuery.support = (function() { clickFn, div = document.createElement("div"); - // Preliminary tests + // Setup div.setAttribute( "className", "t" ); div.innerHTML = " <link/><table></table><a href='/a'>a</a><input type='checkbox'/>"; + // Support tests won't run in some limited or non-browser environments all = div.getElementsByTagName("*"); a = div.getElementsByTagName("a")[ 0 ]; - a.style.cssText = "top:1px;float:left;opacity:.5"; - - // Can't get basic test support - if ( !all || !all.length ) { + if ( !all || !a || !all.length ) { return {}; } - // First batch of supports tests + // First batch of tests select = document.createElement("select"); opt = select.appendChild( document.createElement("option") ); input = div.getElementsByTagName("input")[ 0 ]; + a.style.cssText = "top:1px;float:left;opacity:.5"; support = { // IE strips leading whitespace when .innerHTML is used leadingWhitespace: ( div.firstChild.nodeType === 3 ), @@ -72,7 +71,7 @@ jQuery.support = (function() { // Test setAttribute on camelCase class. If it works, we need attrFixes when doing get/setAttribute (ie6/7) getSetAttribute: div.className !== "t", - // Tests for enctype support on a form(#6743) + // Tests for enctype support on a form (#6743) enctype: !!document.createElement("form").enctype, // Makes sure cloning an html5 element does not cause problems |