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The start of a generic DOM filtering bookmarklet, along with sample code. Useful if a website's filters aren't specific enough. SEL is the selector for the main list item and COND is a filtering function that you can customize.
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var PRINT = false; | |
var LOG = 1; | |
var SEL = ".pin"; | |
var COND = function($node) { | |
var ret = true; | |
ret = checkNum($node, ".pinPrice", ">=", 10); | |
if (!ret) { return false; } | |
ret = checkNum($node, ".pinPrice", "<=", 15); | |
if (!ret) { return false; } | |
return true; | |
}; | |
var firstNumberRegex = /^.*?(\d+(\.\d+)?)/; | |
var lastNumberRegex = /^.*?(\d+(\.\d+)?)[^0-9]*/; | |
var checkNum = function($object, selector, symbol, number) { | |
return check($object, selector, lastNumberRegex, 1, | |
function(val) { | |
if (symbol == "<") { | |
return parseFloat(val) < number; | |
} | |
else if (symbol == "<=") { | |
return parseFloat(val) <= number; | |
} | |
else if (symbol == ">") { | |
return parseFloat(val) > number; | |
} | |
else if (symbol == ">=") { | |
return parseFloat(val) >= number; | |
} | |
else if (symbol == "==") { | |
return parseFloat(val) == number; | |
} | |
else { | |
return false; | |
} | |
}); | |
}; | |
var check = function($object, selector, regex, group, comparator) { | |
var text = $object.find(selector).text().trim(); | |
if (text) { | |
var reg = regex.exec(text); | |
if (reg) { | |
if (group) { | |
reg = reg[group]; | |
} | |
if (LOG >= 2) { | |
console.log(text + " -> " + reg); | |
} | |
var result = comparator(reg); | |
if (!result) { | |
if (LOG >= 1) { | |
console.log("COND FAIL FOR " + text); | |
} | |
return false; | |
} | |
else { | |
return true; | |
} | |
} | |
else { | |
if (LOG >= 1) { | |
console.log("NO REG FOR " + text); | |
} | |
return false; | |
} | |
} | |
else { | |
if (LOG >= 1) { | |
console.log("NO " + selector); | |
} | |
return false; | |
} | |
}; | |
$(SEL).each(function(index) { | |
if(!COND($(this))) { | |
if (!PRINT) { | |
$(this).remove(); | |
} | |
} | |
}); |
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