28 lines
629 B
JavaScript
28 lines
629 B
JavaScript
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// Variables
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var tries = 0;
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// Functions
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function updateButtons(){
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if(tries>=7) {$("#btnNext").attr("disabled", true);}
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else {$("#btnNext").attr("disabled", false);}
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if(tries<=0) {$("#btnBack").attr("disabled", true);}
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else {$("#btnBack").attr("disabled", false);}
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}
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// Starting stuff
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updateButtons();
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// Events
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$("#btnBack").on("click", function(e){
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e.preventDefault();
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if(tries>0) {tries--;}
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updateScreen();
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updateButtons();
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});
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$("#btnNext").on("click", function(e){
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e.preventDefault();
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if(tries<7) {tries++;}
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updateScreen();
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updateButtons();
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});
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