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make lighter cosmetic filters: use tagname only when no id, class

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This commit is contained in:
gorhill 2014-07-14 02:14:13 -04:00
parent 632aadedae
commit 3a5c413cab
1 changed files with 7 additions and 3 deletions
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10
js/element-picker.js
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@ -258,7 +258,7 @@ var pickerRootDistance = function(elem) {
/******************************************************************************/
var highlightElements = function(elems, force) {
// To make mouse mouce handler more efficient
// To make mouse move handler more efficient
if ( !force && elems.length === targetElements.length ) {
if ( elems.length === 0 || elems[0] === targetElements[0] ) {
return;
@ -347,7 +347,7 @@ var cosmeticFilterFromElement = function(elem) {
return;
}
var tagName = elem.tagName.toLowerCase();
var prefix = '##' + tagName;
var prefix = '';
var suffix = [];
var v;
@ -368,6 +368,10 @@ var cosmeticFilterFromElement = function(elem) {
suffix.push('.', v.join('.'));
}
if ( suffix.length === 0 ) {
prefix = tagName;
}
// Attributes (depends on tag name)
var attributes = [], attr;
switch ( tagName ) {
@ -401,7 +405,7 @@ var cosmeticFilterFromElement = function(elem) {
}
}
return prefix + suffix.join('');
return '##' + prefix + suffix.join('');
};
/******************************************************************************/