thtmlbExcelExportGen("https://ldcijerry.corp:44300/sap(bD1FTiZjPTAwMSZpPTEmZT1WMEZPUjBwRlVsOWZYMTlmTnpkZk1UazJiQXVFdDFTWEh0ZUwwRWlwRWVVeWRnJTNkJTNk)/webcuif/uif_export_tab?method=csv&iId=C26_W186_V187_Table",false)
paste this url to browser and you can get excel generated and automatically down loaded
https://ldciqgs.jerry.corp:44300/sap(bD1FTiZjPTAwMSZpPTEmZT1WMEZPUjBwRlVsOWZYMTlmTnpkZk1UazJiQXVFdDFTWEh0ZUwwRWlwRWVVeWRnJTNkJTNk)/webcuif/uif_export_tab?method=csv&iId=C29_W101_V102_V104_ResultTable
var iv_csvUrl = "https://ldciqjerry.sap.corp:44300/sap(bD1FTiZjPTAwMSZpPTEmZT1WMEZPUjBwRlVsOWZYMTlmTmpCZk1qVXhiQXVFdDFTWEh1ZUwxSXZlYkxDb2xBJTNkJTNk)/webcuif/uif_export_tab?method=csv&iId=C29_W101_V102_V104_ResultTable";
window.location.assign(iv_csvUrl);
The Location.assign() method causes the window to load and display the document at the URL specified.