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(Node.js) HTTP HEAD RequestSends an HTTP HEAD request and gets the response. Note: The response to an HTTP HEAD request is always just the response header. The reponse body is always 0 length (thus the reason it's called a "HEAD" request..)
var os = require('os'); if (os.platform() == 'win32') { if (os.arch() == 'ia32') { var chilkat = require('@chilkat/ck-node21-win-ia32'); } else { var chilkat = require('@chilkat/ck-node21-win64'); } } else if (os.platform() == 'linux') { if (os.arch() == 'arm') { var chilkat = require('@chilkat/ck-node21-arm'); } else if (os.arch() == 'x86') { var chilkat = require('@chilkat/ck-node21-linux32'); } else { var chilkat = require('@chilkat/ck-node21-linux64'); } } else if (os.platform() == 'darwin') { if (os.arch() == 'arm64') { var chilkat = require('@chilkat/ck-node21-mac-m1'); } else { var chilkat = require('@chilkat/ck-node21-macosx'); } } function chilkatExample() { // This example assumes the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. var http = new chilkat.Http(); // If the URL uses "https://", then the connection will be TLS. // Otherwise it will be TCP. // resp: HttpResponse var resp = http.GetHead("https://example-code.com/"); if (http.LastMethodSuccess !== true) { // A failure is when we don't get any response. It could be a timeout, an inability to connect, etc. // For example, a "404 Not Found" response is still a response, and thus deemed success in terms of the API.. console.log(http.LastErrorText); return; } // Examine the response. console.log("Status Code = " + resp.StatusCode); console.log("Status Line = " + resp.StatusLine); console.log("Status Text = " + resp.StatusText); console.log("Full Response Header:"); console.log(resp.Header); console.log("----"); var numHeaderFields = resp.NumHeaderFields; console.log("Num Header Fields: " + numHeaderFields); var i; for (i = 0; i <= numHeaderFields - 1; i++) { console.log(resp.GetHeaderName(i) + ": " + resp.GetHeaderValue(i)); } } chilkatExample(); |
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