if would: นี่คือโพสต์ที่เกี่ยวข้องกับหัวข้อนี้
Table of Contents
JavaScript if else and else if
Conditional statements are used to perform different actions based on different conditions.
Conditional Statements
Very often when you write code, you want to perform different actions for different decisions.
You can use conditional statements in your code to do this.
In JavaScript we have the following conditional statements:
- Use
if
to specify a block of code to be executed, if a specified condition is true - Use
else
to specify a block of code to be executed, if the same condition is
false - Use
else if
to specify a new condition to test, if the first condition is false - Use
switch
to specify many alternative blocks of code to be executed
The switch
statement is described in the next chapter.
The if Statement
Use the if
statement to specify a block of JavaScript code to
be executed if a condition is true.
Syntax
if () {
// block of code to be executed if the condition is true
}
Note that if
is in lowercase letters. Uppercase letters (If or IF) will generate a JavaScript error.
Example
Make a “Good day” greeting if the hour is less than
18:00:
if (hour < 18) {
greeting = “Good day”;
}
The result of greeting will be:
Try it Yourself »
The else Statement
Use the else
statement to specify a block of code to be
executed if the condition is
false.
if () {
// block of code to be executed if the condition is true
}
else {
// block of code to be executed if the condition is false
}
Example
If the hour is less than 18, create a “Good day”
greeting, otherwise “Good evening”:
if (hour < 18) {
greeting = “Good day”;
}
else {
greeting = “Good evening”;
}
The result of greeting will be:
Try it Yourself »
The else if Statement
Use the else if
statement to specify a new condition if the first condition is false.
Syntax
if () {
// block of code to be executed if condition1 is true
}
else if () {
// block of code to be executed if the condition1 is false and condition2 is true
} else {
// block of code to be executed if the condition1 is false and condition2 is false
}
Example
If time is less than 10:00, create a “Good
morning”
greeting, if not, but time is less than 20:00, create a “Good day” greeting,
otherwise a “Good evening”:
if (time < 10) {
greeting = “Good morning”;
}
else if (time < 20) {
greeting = “Good day”;
}
else {
greeting = “Good evening”;
}
The result of greeting will be:
Try it Yourself »
More Examples
Random link
This example will write a link to either W3Schools or to the World Wildlife
Foundation (WWF). By using a random number, there is a 50% chance for each of the
links.
Test Yourself With Exercises
Exercise:
Fix the if
statement to alert “Hello World” if x
is greater than y
.
if x > y alert("Hello World");
Start the Exercise
[Update] EnglishClub | if would – NATAVIGUIDES
You can do this grammar quiz online or print it on paper. It tests what you learned on the would page.
1. I knew he would _____ famous one day.
a) to be b) be c) will
2. He said that ________ help me.
a) he’d b) he would to c) he woulded
3. I asked him to walk faster but he ________ at first.
a) would b) wouldn’t c) ‘d
4. As children we would _____ together every day.
a) playing b) to play c) play
5. Nobody knew that one day he _____ be rich.
a) will b) would c) would to
6. If you asked me _____ say you were crazy.
a) would I b) I’d would c) I’d
7. Would you _____ to go?
a) like b) liked c) to like
8. Do you think he’d help? | I’m sure _____ if you asked.
a) he help b) he’d c) he would
9. He would _____ to be improving.
a) seem b) seems c) seem’d
10. We want to play tennis. I wish _____ stop raining.
a) it would b) it had c) it will
Your score is:
Correct answers:
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นอกจากการดูบทความนี้แล้ว คุณยังสามารถดูข้อมูลที่เป็นประโยชน์อื่นๆ อีกมากมายที่เราให้ไว้ที่นี่: ดูความรู้เพิ่มเติมที่นี่
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‘Always Been You’ Lyrics:
it was you, when we first met eyes
it was you, in the city lights
it was you, when I almost, lost control
it was you, through the darkest times
it was you, that would make me shine
it was you, that I hold on tight, it’s always been you
so let the doors just open wide,
cause standing there is my whole life
I’ve waited long enough to finally say I do
and let the people on both sides
see you there and all arise
to see us hand in hand, I swear I always knew
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now it’s you walking down that aisle
now it’s you, I can’t help but smile
now it’s you, staring back at me,
forever to be
now it’s you, I see my whole world
now it’s you, never been more sure
now it’s you, it’s always been you
so let the doors just open wide,
cause standing there is my whole life
I’ve waited long enough to finally say I do
and let the people on both sides
see you there and all arise
to see us hand in hand, I swear I always knew
it’s always been you
it’s always been you
ooooh
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cause standing there is my whole life
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it’s always been you
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English Grammar: Conditional \u0026 Imaginary – IF, WILL, WOULD, WERE
http://www.engVid.com/ Do you know how to properly use the words IF, WILL, WOULD, and WERE in English? Most of my students just treat all of these words the same way, and don’t use them properly… until they take my class. Now that class is made available to you. If you watch it, you will learn.
Second Conditional Sentences + Examples | English Grammar Lesson
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Copy/Paste these Practice Sentences into the comments for me to check!
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2. I _______________ (ask) my parents for a loan if I _______________ (be) you.
3. If you asked me to __________, I ___________.
4. I would take you with me _________________.
5. He would ______________________________.
mmmEnglish SecondConditional EnglishGrammar EnglishConditionals ConditionalSentences GrammarLesson YouTubeTeacher EnglishWithEmma
Read the full transcript of this lesson on my blog here:
https://www.mmmenglish.com/2020/03/27/secondconditionalsentences/
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English Conditional Sentences (with examples!)
Do you know when to use English conditional sentences? Let’s go over the different uses of all four conditional sentences (with examples)! Including the zero first, second, third conditionals!
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Read the full transcript of this lesson on my blog here:
https://www.mmmenglish.com/2020/02/07/englishconditionalsentences/
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8 x prepositions
8 x ways to use them
8 x imitation lessons (practise speaking AND pronunciation)
More English Language Tools I recommend!
⭐️Improve your English pronunciation and expression by imitating a native English speaker: https://www.mmmenglish.com/imitation
⭐️Try Grammarly Grammar Checker it’s FREE! https://www.grammarly.com/mmmenglish
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On Facebook: http://bit.ly/mmmEnglishFB
On Instagram: http://bit.ly/mmmEnglishInsta
SUBSCRIBE ➡️ http://bit.ly/Subscribe2mmmEnglish (New lessons every Friday!)
Emma also founded The Ladies’ Project: http://bit.ly/TheLadiesProject
A place for international women to build their confidence and English speaking fluency! 💃
TRANSLATE THIS VIDEO!
Do your friends a favour and help to translate this lesson into your native language! Contribute subtitles translations here:
http://www.youtube.com/timedtext_video?ref=share\u0026v=FH3ThwR99LM
Your name will be featured underneath the video 😝
นอกจากการดูบทความนี้แล้ว คุณยังสามารถดูข้อมูลที่เป็นประโยชน์อื่นๆ อีกมากมายที่เราให้ไว้ที่นี่: ดูวิธีอื่นๆLEARN FOREIGN LANGUAGE
ขอบคุณมากสำหรับการดูหัวข้อโพสต์ if would