string compare perf test

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lowercased indexof - mid size
var data = "The Modern.ie scan analyzes the HTML, CSS, and JavaScript of a site or application to determine whether it is using good development practices. It warns about practices such as browser `userAgent` sniffing, use of ActiveX, or APIs specific to legacy versions of Internet Explorer."

data.toLowerCase().indexOf('Explorer'.toLowerCase());
 
ready
search - mid size
var data = "The Modern.ie scan analyzes the HTML, CSS, and JavaScript of a site or application to determine whether it is using good development practices. It warns about practices such as browser `userAgent` sniffing, use of ActiveX, or APIs specific to legacy versions of Internet Explorer."

data.search(/Explorer/i);
 
ready
lowercased indexof - small size
var data = "legacy versions of Internet Explorer."

data.toLowerCase().indexOf('Explorer'.toLowerCase());
 
ready
search - small size
var data = "legacy versions of Internet Explorer."

data.search(/Explorer/i);
 
ready

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