Is javascript free to install?

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Why is javascript so popular?

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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 does two exclamation marks mean in javascript?

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What are the primitive data types in JavaScript?

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How to trigger a postback on an updatepanel from javascript?

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Which built-in method returns the string representation of the number’s value?

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Difference between the substr() and substring() in JavaScript?

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What does triple dot mean?

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What is the use of javascript?

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Is javascript a highly secure scripting language?

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How you will add function as a property in a javascript object? Give an example.

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