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check single element type to be html image element #1

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mamal72 wants to merge 1 commits from gh-pages into gh-pages
pull from: gh-pages
merge into: thereadme:gh-pages
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1 changed files with 4 additions and 4 deletions
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snaphash.js
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@ -8,13 +8,13 @@
} }
// selector provided // selector provided
if (typeof els === 'string') { else if (typeof els === 'string') {
els = document.querySelectorAll(els); els = document.querySelectorAll(els);
} }
// single element provided // single element provided (only image element)
if (typeof els.length === 'undefined') { else if (!els instanceof HTMLImageElement) {
els = [els]; throw TypeError("Can not apply Snaphash to " + els.constructor.name + " type. You must provide an image element/selector");
} }
// loop over elements // loop over elements