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accessing nodeType may throw an exception

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Obexer Christoph 2011-11-23 14:06:00 +01:00
parent 217a75c0f6
commit 4f49bd6e9b
1 changed files with 10 additions and 3 deletions
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11
src/Preload.js
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@ -156,7 +156,8 @@ html2canvas.Preload = function(element, opts){
contentsLen = contents.length, contentsLen = contents.length,
background_image, background_image,
src, src,
img; img,
elNodeType = false;
for (i = 0; i < contentsLen; i+=1 ){ for (i = 0; i < contentsLen; i+=1 ){
// var ignRe = new RegExp("("+this.ignoreElements+")"); // var ignRe = new RegExp("("+this.ignoreElements+")");
@ -166,8 +167,14 @@ html2canvas.Preload = function(element, opts){
} }
// } // }
try {
elNodeType = el.nodeType;
} catch (ex) {
elNodeType = false;
html2canvas.log("html2canvas: failed to access some element's nodeType - Exception: " + ex.message);
}
if (el.nodeType === 1 || el.nodeType === undefined){ if (elNodeType === 1 || elNodeType === undefined){
background_image = html2canvas.Util.getCSS(el, 'backgroundImage'); background_image = html2canvas.Util.getCSS(el, 'backgroundImage');