concat.js

来自「这是《JavaScript学习源代码》一书的源代码」· JavaScript 代码 · 共 18 行

// create and initialize an integer variable
var num = 99;

// create and initialize a float variable
var flt = 98.6;

// create and initialize a boolean variable
var bool = true;

// create and initialize several string variables
var str1 = "Although ";
var str2 = " F is cited as \"body temperature\" ";
var str3 = "\nthe ";
var str4 = " range is from about 97 to ";
var str5 = " F.";

// display the concatenated string
alert( str1 +flt +str2 +str3 +bool +str4 +num +str5 );