program showing string concatenation?

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Is javascript a highly secure scripting language?

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Why is javascript so popular?

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What is output of “20” + 20 + 20 and “20” + ( 20 + 20)? In javascript?

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What are parameters in javascript?

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The below script is working Internet browser but not working in mozilla plz find that good way... function doSubmit(op){ var rowcount=document.getElementsByName ("parameterTypeId").length; var parameterGrade; var performance; var goal; if(op == "save"){ for (var i=0; i < rowcount; i++) { var param=eval("document.forms [0].parameterGrade"+i); if(param.value != "select"){ return true; } } alert("Please rate atleast one attribute"); return false; }//if ends here

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What are global variables? How are these variable declared and what are the problems associated with using them?

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What are the javascript data types?

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What is variables in javascript?

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Why is javascript good for websites?

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Which is faster jquery or javascript?

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What are javascript functions?

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